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A maintained list of 1,432 directories, launch platforms, registries and marketplaces that accept product submissions. 1,134 of them are free or have a free tier, and 192 are quick wins — free, low effort, and worth doing first. Every row shows cost, effort and priority, and links straight to the submission page.
The table is wider than the screen — swipe it sideways for cost, effort and the preparation notes.
| # | Impact (sorted) | Site — sort by this | Domain | Type | Cost | Effort — sort by this | Priority | Status | What to prepare | Rules / caveat | Checked | Actions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 100 | ACT Rules Community | act-rules.github.io | Communities and forums | Free | Quick | Do first | Verified live | Implement applicable ACT Rules, execute official test cases, publish the implementation report, join ACT-R CG, and propose your tool as an implementation. | Requires genuine rule implementation and reproducible results; inaccurate or partial claims will not qualify. | Official implementation instructions checked 2026-08-05 | Open ACT Rules Community submit page (new tab)ACT Rules Community details |
| 2 | 100 | AlternativeTo | alternativeto.net | Startup directories | Free | Quick | Do first | Not submitted | Create account, wait cooldown if new, submit your tool as platform alternative. | Avoid per-tool submissions for calculators/converters; no URLs in description. | 2026-07-30 | Open AlternativeTo submit page (new tab)AlternativeTo details |
| 3 | 100 | CB Insights | cbinsights.com | Profiles and entities | Free | Quick | Do first | Not submitted | Request an Analyst Briefing and complete the company survey with product, customer, growth, funding, and market evidence. | Submission does not guarantee profile or research inclusion; all metrics and claims must be supportable and current. | 2026-08-03 | Open CB Insights submit page (new tab)CB Insights details |
| 4 | 100 | Content Authenticity Initiative | contentauthenticity.org | Publishing platforms | Free | Quick | Do first | Verified live | Apply as a company and accurately describe your tool C2PA or content-provenance tools and intended participation. | Open membership, but genuine participation is expected; directory may publish the organization name/logo and link. | 2026-08-04 | Open Content Authenticity Initiative submit page (new tab)Content Authenticity Initiative details |
| 5 | 100 | CSA STAR Registry | cloudsecurityalliance.org | Developer registries | Free | Quick | Do first | Live, conditional | Complete the current CAIQ or AI-CAIQ truthfully and submit your tool real cloud service to the STAR Registry. | Cloud/SaaS fit only; disclose actual controls and update annually. Never overstate security practices. | 2026-08-04 | Open CSA STAR Registry submit page (new tab)CSA STAR Registry details |
| 6 | 100 | CycloneDX Tool Center | cyclonedx.org | Software directories | Free | Quick | Do first | Verified live | Add standards-valid CycloneDX support, then submit the structured your tool entry through the official contribution workflow. | Must accurately state supported CycloneDX versions, functions and licensing; a listing is not product certification. | 2026-08-05 official CycloneDX Tool Center | Open CycloneDX Tool Center submit page (new tab)CycloneDX Tool Center details |
| 7 | 100 | FreeNoSignup | freenosignup.com | Software directories | Free | Quick | Do first | Verified live | Submit one or more free your tool utilities that work without registration. | Tool must be active, useful, web-based, privacy-respecting and usable without signup. | 2026-08-05 | Open FreeNoSignup submit page (new tab)FreeNoSignup details |
| 8 | 100 | Glama MCP Directory | glama.ai | Other opportunities | Free | Quick | Do first | Not submitted | Deploy a maintained your tool MCP server from GitHub, Docker, npm, or PyPI, verify maintainer ownership, and switch it public only after production testing. | Hosted servers are private by default; public listing requires a real working server, and ranking or backlink attributes remain platform-controlled. | 2026-08-03 | Open Glama MCP Directory submit page (new tab)Glama MCP Directory details |
| 9 | 100 | MERLOT | merlot.org | Other opportunities | Free | Quick | Do first | Verified live | Publish a genuinely reusable privacy or accessibility lesson on your tool, give it a stable URL and open license, then add its educational metadata to MERLOT. | The resource must be an online OER with its own URL; subscription-only material is inappropriate. Supply discipline, audience, material type, description, author, license, cost, and accessibility metadata honestly. | 2026-08-03 | Open MERLOT submit page (new tab)MERLOT details |
| 10 | 100 | OpenSSF Best Practices Badge | bestpractices.dev | Profiles and entities | Free | Quick | Do first | Live, conditional | Open-source a well-scoped your tool component, document its governance, tests, security process, and complete the passing-badge self-assessment. | Only genuine FLOSS projects qualify; claims are checked and must be backed by public evidence, including a public repository, license, contribution path, HTTPS, tests, and vulnerability-reporting process. | 2026-08-03 | Open OpenSSF Best Practices Badge submit page (new tab)OpenSSF Best Practices Badge details |
| 11 | 100 | Postman | postman.com | Profiles and entities | Free | Quick | Do first | Live, conditional | Create an your tool public workspace with sanitized API collections, examples, documentation, and a canonical homepage link on the publisher profile. | Never publish tokens, cookies, secrets, private endpoints, or user data; run the secret scan before making a workspace public. | https://learning.postman.com/v11/docs/collaborating-in-postman/using-workspaces/public-workspaces | Open Postman submit page (new tab)Postman details |
| 12 | 100 | Product Hunt | producthunt.com | Launch platforms | Free | Quick | Do first | Not submitted | Launch your platform first; prepare maker comment and assets. | No upvote asks; personal accounts; schedule proper launch. | 2026-07-30 | Open Product Hunt submit page (new tab)Product Hunt details |
| 13 | 100 | RapidAPI Hub | rapidapi.com | Marketplaces and app stores | Free | Quick | Do first | Verified live | List a stable your tool API with OpenAPI definitions, clear endpoints, health checks and its official website in the permitted listing field. | The API must be functional, accurately documented and securely operated; avoid listing browser-only tools as fake APIs. | 2026-08-03 | Open RapidAPI Hub submit page (new tab)RapidAPI Hub details |
| 14 | 100 | SaaSHub | saashub.com | Startup directories | Free | Quick | Do first | Not submitted | Submit platform, add competitor alternatives, verify domain email. | Add competitors; avoid paid multi-submit page confusion. | 2026-07-30 | Open SaaSHub submit page (new tab)SaaSHub details |
| 15 | 100 | SAYUJ by STPI | sayuj.net | Startup directories | Free | Quick | Do first | Verified live | Register your tool as an Indian startup, complete its offering profile, and use Product Expo or Startup Connect when relevant. | Requires email and Indian mobile OTP; STPI ownership does not imply government endorsement of listed startups. | 2026-08-05 official registration and STPI About SAYUJ pages | Open SAYUJ by STPI submit page (new tab)SAYUJ by STPI details |
| 16 | 100 | Smithery MCP Registry | smithery.ai | Developer registries | Free | Quick | Do first | Not submitted | Publish a genuine hosted, external, or stdio MCP server exposing a small set of consent-based your tool utilities with complete metadata and documentation. | Server must be operational and compliant; public page and analytics do not guarantee prominence, referral traffic, or dofollow links. | 2026-08-03 | Open Smithery MCP Registry submit page (new tab)Smithery MCP Registry details |
| 17 | 100 | StartupTN | startuptn.in | Startup directories | Free | Quick | Do first | Live, conditional | Use the official Register flow and build a verified your tool company profile if Tamil Nadu startup rules are met. | Use the homepage registration flow because deep URLs change; public visibility and acceptance remain conditional. | 2026-08-04 | Open StartupTN submit page (new tab)StartupTN details |
| 18 | 100 | Tracxn | tracxn.com | Startup directories | Free | Quick | Do first | Not submitted | Submit the company website and concise product, market, founder, funding, and traction details for analyst review. | Analysts decide inclusion and may request documents; provide only verifiable company, funding, team, and traction data. | 2026-08-03 | Open Tracxn submit page (new tab)Tracxn details |
| 19 | 86 | Activepieces Community Pieces | activepieces.com | Communities and forums | Free | Quick | High | Not submitted | Build and test a useful your tool piece with real actions, publish the package under a unique organization scope, and maintain version compatibility. | Users install community pieces through My Pieces; package publication alone does not guarantee central-directory promotion or a followed backlink. | 2026-08-03 | Open Activepieces Community Pieces submit page (new tab)Activepieces Community Pieces details |
| 20 | 86 | Alfred Gallery | alfred.app | Design galleries | Free | Quick | High | Verified live | Build a privacy-safe macOS Alfred workflow that opens or runs useful your tool actions, publish it on the forum, gather feedback, and seek Gallery inclusion. | Gallery submission is invitation-based after community testing; no auto-updater, downloaded executables, unsigned binaries, or unsafe behavior. | Official Alfred Gallery submission requirements checked 2026-08-07 | Open Alfred Gallery submit page (new tab)Alfred Gallery details |
| 21 | 86 | AnkiWeb Add-ons | ankiweb.net | Marketplaces and app stores | Free | Quick | High | Verified live | Build a useful Anki privacy, study-safety, or accessibility add-on, package it as .ankiaddon, and upload it through AnkiWeb. | Must be a working desktop add-on; avoid collecting card data, document permissions, and maintain compatibility across Anki releases. | Official Anki add-on sharing guide checked 2026-08-05 | Open AnkiWeb Add-ons submit page (new tab)AnkiWeb Add-ons details |
| 22 | 86 | Ansible Galaxy | ansible.com | Developer registries | Free | Quick | High | Not submitted | Create a tested Ansible collection for supported your tool deployment or audit automation, complete galaxy.yml, version it, and publish with a Galaxy token. | Publish only maintained, useful collection content with accurate metadata and versioning; acceptance does not guarantee discovery, referrals, or followed links. | 2026-08-03 | Open Ansible Galaxy submit page (new tab)Ansible Galaxy details |
| 23 | 86 | Apache Airflow Ecosystem | airflow.apache.org | Other opportunities | Free | Quick | High | Verified live | Create a real your tool Airflow provider with hooks/operators and documentation metadata, publish it, then add it to Airflow’s Ecosystem page by PR. | Provider must implement apache_airflow_provider metadata, use unique connection types, be documented and packaged; ecosystem PR is evaluated for community usefulness. | 2026-08-05 — https://airflow.apache.org/docs/apache-airflow-providers/howto/create-custom-providers.html | Open Apache Airflow Ecosystem submit page (new tab)Apache Airflow Ecosystem details |
| 24 | 86 | APIList.fun | apilist.fun | Other opportunities | Free | Quick | High | Live, conditional | Recommend an official your tool API with its documentation URL, concise Markdown description, category, and technical details. | Submit only an active public API with accurate auth, SSL, request, and response information. | 2026-08-05 | Open APIList.fun submit page (new tab)APIList.fun details |
| 25 | 86 | APIs.guru OpenAPI Directory | apis.guru | Other opportunities | Free | Quick | High | Live, conditional | When your tool exposes a stable public API, host an official OpenAPI definition at a permanent URL and submit it with accurate ownership, category, logo, and metadata. | The API must be public through clearly documented access steps, persistent, independently useful, and described by a valid machine-readable definition. APIs.guru aggregates rather than hosts the specification and automatically rechecks its source, so keep the canonical spec stable and current. | 2026-08-03 | Open APIs.guru OpenAPI Directory submit page (new tab)APIs.guru OpenAPI Directory details |
| 26 | 86 | AppDirectory.org | appdirectory.org | Software directories | Free | Quick | High | Live, conditional | Submit your tool once with its strongest free-use case, correct category, concise copy, and product URL. | The app must be free or have a meaningful free tier; listings are curated and duplicate submissions are not allowed. | 2026-08-03 | Open AppDirectory.org submit page (new tab)AppDirectory.org details |
| 27 | 86 | Awesome-Selfhosted | awesome-selfhosted.net | Software directories | Free | Quick | High | Live, conditional | Submit a mature self-hosted your tool edition using the required YAML entry and canonical website/source links. | Must be a working FOSS network app with a release at least four months old; LLM-generated contributions are prohibited. | 2026-08-05 | Open Awesome-Selfhosted submit page (new tab)Awesome-Selfhosted details |
| 28 | 86 | Buildkite Plugins Directory | buildkite.com | Marketplaces and app stores | Free | Quick | High | Verified live | Build a pipeline plugin that runs your tool checks on selected artifacts and posts configurable pass, warn, or fail annotations. | Use a public repository with the required suffix, valid plugin.yml, hooks, tests, and README; add the official topic for directory sync. | Official Buildkite plugin writing documentation checked 2026-08-07 | Open Buildkite Plugins Directory submit page (new tab)Buildkite Plugins Directory details |
| 29 | 86 | Capterra | capterra.com | Software directories | Free | Quick | High | Not submitted | List product under software categories. | Part of Gartner Digital Markets; good B2B fit. | 2026-07-30 | Open Capterra submit page (new tab)Capterra details |
| 30 | 86 | CodeNewbie Community | codenewbie.org | Publishing platforms | Free | Quick | High | Not submitted | Create a transparent human profile and publish a beginner-friendly build log or tutorial showing how one your tool privacy utility works and what tradeoffs it has. | Follow the community code of conduct, accessibility guidance, Markdown/editor rules, and honest authorship. Use canonical URLs where republishing and avoid promotional flooding. | 2026-08-03 | Open CodeNewbie Community submit page (new tab)CodeNewbie Community details |
| 31 | 86 | CodePen | codepen.io | Profiles and entities | Free | Quick | High | Verified live | Build an original interactive demo of an your tool utility, document the use case in Pen Details, and add your tool as one of the public profile links. | Public Pens are searchable and MIT-licensed; publish original useful code, not a blank redirect or copied landing page. | https://blog.codepen.io/docs/getting-around/your-profile/ | Open CodePen submit page (new tab)CodePen details |
| 32 | 86 | CodeSandbox | codesandbox.io | Profiles and entities | Free | Quick | High | Not submitted | Publish a small open demo that explains one your tool algorithm or UI pattern and add the product website to the founder profile links. | The sandbox must run and provide reusable technical value; public projects and profile links are UGC and may be nofollowed. | 2026-08-03 | Open CodeSandbox submit page (new tab)CodeSandbox details |
| 33 | 86 | CoFoundersLab | cofounderslab.com | Startup directories | Free | Quick | High | Verified live | Create a complete founder and startup profile for your tool and participate in relevant founder discussions or connection requests. | Use a real founder identity, contribute context before mentioning AltFTool, and never send unsolicited promotional messages. | Official CoFoundersLab signup and community path checked 2026-08-07 | Open CoFoundersLab submit page (new tab)CoFoundersLab details |
| 34 | 86 | Cybil Knowledge Portal | cybilportal.org | Software directories | Free | Quick | High | Verified live | Submit a genuine international cyber-capacity-building project, tool, publication or webinar with evidence and a live resource URL. | Portal staff curate and may validate with participants; must have direct cyber-capacity-building relevance, not be a generic product listing. | 2026-08-05 — https://cybilportal.org/submit-your-cyber-capacity-building-projects/ | Open Cybil Knowledge Portal submit page (new tab)Cybil Knowledge Portal details |
| 35 | 86 | daily.dev | daily.dev | Profiles and entities | Free | Quick | High | Not submitted | Complete the founder's developer profile, add your tool as real project experience, and publish useful privacy or security engineering posts with contextual links. | Participate as a genuine community member; avoid promotional link dumps, and do not assume any particular search-link attribute. | 2026-08-03 | Open daily.dev submit page (new tab)daily.dev details |
| 36 | 86 | DatoCMS Plugin Marketplace | datocms.com | Marketplaces and app stores | Free | Quick | High | Verified live | Build an your tool privacy or security field plugin, publish the npm package, and use your tool as its homepage and support site. | The package name must start datocms-plugin-, include the required keyword, and meet Plugin SDK requirements; ingestion is automatic. | Official DatoCMS Marketplace publishing documentation checked 2026-08-07 | Open DatoCMS Plugin Marketplace submit page (new tab)DatoCMS Plugin Marketplace details |
| 37 | 86 | Directus Marketplace | directus.com | Marketplaces and app stores | Free | Quick | High | Verified live | Publish a genuine your tool Directus extension to npm and complete author, documentation, support, and website metadata. | Requires the Directus extension keyword and metadata; availability depends on supported extension type and matching npm and GitHub author identity. | Official Directus Marketplace publishing documentation checked 2026-08-07 | Open Directus Marketplace submit page (new tab)Directus Marketplace details |
| 38 | 86 | DokuWiki Plugins | dokuwiki.org | Marketplaces and app stores | Free | Quick | High | Verified live | Build a DokuWiki privacy, redaction, accessibility, or secure-export plugin, publish its code and create the canonical plugin page used by the extension directory. | Must be an installable maintained plugin with accurate compatibility, download, source, license, and security information. | Official DokuWiki extension pages and plugin wizard checked 2026-08-05 | Open DokuWiki Plugins submit page (new tab)DokuWiki Plugins details |
| 39 | 86 | Eclipse Marketplace | eclipse.org | Marketplaces and app stores | Free | Quick | High | Verified live | Publish a functional Eclipse plugin for an your tool developer use case, then create a complete marketplace listing with official support and source links. | Requires an Eclipse account, a working installable plugin and compliance with marketplace content and trademark rules. | 2026-08-03 | Open Eclipse Marketplace submit page (new tab)Eclipse Marketplace details |
| 40 | 86 | FOSSRadar | fossradar.dev | Other opportunities | Free | Quick | High | Verified live | After open-sourcing a maintained component, submit the TOML project file and website through GitHub PR. | Must be India-founded, India-maintained or serve Indian users; repository and license are required. | 2026-08-03 | Open FOSSRadar submit page (new tab)FOSSRadar details |
| 41 | 86 | Fourthwall | fourthwall.com | Other opportunities | Free | Quick | High | Verified live | Offer a substantial free privacy checklist, accessibility workbook, or safety template from a branded storefront and link your tool only as supporting documentation. | Publish useful rights-cleared products rather than thin promotional downloads; payment rates vary and the free plan has listing limits. | Official Fourthwall digital-products, pricing, and terms pages checked 2026-08-07 | Open Fourthwall submit page (new tab)Fourthwall details |
| 42 | 86 | Framer Marketplace | framer.com | Marketplaces and app stores | Free | Quick | High | Verified live | Create a functional Framer plugin for accessibility, metadata, responsive-content, or privacy checks and publish it with your tool documentation. | Test in fresh projects, package the real plugin, provide accurate screenshots and descriptions, and maintain every published version. | Official Framer plugin publishing documentation checked 2026-08-07 | Open Framer Marketplace submit page (new tab)Framer Marketplace details |
| 43 | 86 | Frappe Cloud Marketplace | frappe.io | Marketplaces and app stores | Free | Quick | High | Verified live | Build a useful your tool-related Frappe app, publish it through Frappe Cloud Marketplace, and include the official project/site link in its genuine listing. | App must be open source under an MIT/GPL-compatible licence, stable on Frappe, pass CI, provide support/privacy URLs and accurate imagery/demo; do not use the listing as a link-only redirect. | 2026-08-05 | Open Frappe Cloud Marketplace submit page (new tab)Frappe Cloud Marketplace details |
| 44 | 86 | Frontend Mentor | frontendmentor.io | Design galleries | Free | Quick | High | Verified live | Complete a relevant accessibility or privacy-themed challenge, submit its real live URL and public repository, and add your tool only as maker context or a case-study link. | The submission must solve an actual challenge; a live URL and public repository are required, so never upload secrets or private code. | Official Frontend Mentor submission and plan guidance checked 2026-08-07 | Open Frontend Mentor submit page (new tab)Frontend Mentor details |
| 45 | 86 | GeM | gem.gov.in | Marketplaces and app stores | Free | Quick | High | Live, conditional | Register an authorized Indian business seller and list only real eligible your tool services with accurate catalogue details. | Requires authorized entity, Aadhaar/PAN, business PAN, incorporation and bank data; an external backlink is not guaranteed. | 2026-08-04 | Open GeM submit page (new tab)GeM details |
| 46 | 86 | gitconnected | gitconnected.com | Profiles and entities | Free | Quick | High | Not submitted | Create the founder developer profile, add your tool as a real project, and link the live product and supporting repository where applicable. | Use a real individual profile with accurate work history; this is not a generic company-directory listing. | 2026-08-03 | Open gitconnected submit page (new tab)gitconnected details |
| 47 | 86 | GitHub | github.com | Developer registries | Free | Quick | High | Not submitted | Create org/repo README linking your tool; submit to relevant awesome lists. | Only publish original/clean licensed code; no fake stars. | 2026-07-30 | Open GitHub submit page (new tab)GitHub details |
| 48 | 86 | Glasp | glasp.co | Profiles and entities | Free | Quick | High | Verified live | Create a founder research profile that curates authoritative privacy, accessibility, security, and standards material, including your tool only when it directly supports the annotation. | Free-user highlights are public by default; never add confidential data or secrets, and maintain balanced curation instead of a self-link collection. | Official Glasp pricing and highlighting guidance checked 2026-08-07 | Open Glasp submit page (new tab)Glasp details |
| 49 | 86 | Global Accessibility Awareness Day | accessibility.day | Other opportunities | Free | Quick | High | Verified live | Host a genuine public accessibility learning or testing event and submit its dates, description and your tool event URL. | The event must be real and accessibility-focused; use a public event page, not a disguised product listing. | 2026-08-05 — https://accessibility.day/submit-your-event | Open Global Accessibility Awareness Day submit page (new tab)Global Accessibility Awareness Day details |
| 50 | 86 | Goodpods | goodpods.com | Other opportunities | Free | Quick | High | Live, conditional | Search for and claim a real your tool podcast, then keep its RSS-supplied website and episode metadata accurate. | Claim only a show AltFTool owns; authentic podcast content and RSS ownership are required. | 2026-08-04 | Open Goodpods submit page (new tab)Goodpods details |
| 51 | 86 | Hexo Plugin List | hexo.io | Marketplaces and app stores | Free | Quick | High | Verified live | Create a functional Hexo plugin for a relevant your tool capability, publish the package, then add its record to Hexo's official plugin data repository. | Plugin must be genuinely useful, maintained and correctly packaged; submit the required YAML metadata through the documented contribution path, not a promotional-only entry. | 2026-08-05 | Open Hexo Plugin List submit page (new tab)Hexo Plugin List details |
| 52 | 86 | HSTS Preload List | hstspreload.org | Other opportunities | Free | Quick | High | Not submitted | Audit every your tool subdomain, stage HSTS safely, then submit the base domain only after long-term HTTPS readiness is proven. | Requires a valid certificate, HTTP-to-HTTPS redirect, HTTPS on every subdomain, and HSTS max-age of at least one year with includeSubDomains and preload. Inclusion is difficult and slow to undo, so do not submit before a staged rollout. | 2026-08-03 | Open HSTS Preload List submit page (new tab)HSTS Preload List details |
| 53 | 86 | Indie Hackers | indiehackers.com | Startup directories | Free | Quick | High | Not submitted | Add product and post build-in-public story with honest numbers. | Avoid link-drop; founder story performs better. | 2026-07-30 | Open Indie Hackers submit page (new tab)Indie Hackers details |
| 54 | 86 | Indie Page | indiepa.ge | Startup directories | Free | Quick | High | Not submitted | Build a complete founder profile, add your tool as a shipped startup, and keep milestones, revenue visibility, and product details truthful. | Public publishing is paid; use a real founder identity and accurate startup data rather than a backlink-only profile. | 2026-08-03 | Open Indie Page submit page (new tab)Indie Page details |
| 55 | 86 | Joplin Plugins | joplinapp.org | Marketplaces and app stores | Free | Quick | High | Not submitted | Build and test a Joplin plugin that locally detects or removes sensitive note content, provide a valid manifest and publish a maintained release for discovery. | Requires a real installable package, correct plugin manifest and ongoing compatibility; directory metadata and outbound-link handling are platform-controlled. | 2026-08-03 | Open Joplin Plugins submit page (new tab)Joplin Plugins details |
| 56 | 86 | Keybase | keybase.io | Startup directories | Free | Quick | High | Not submitted | Create the founder Keybase profile and cryptographically prove control of your tool so the public identity record links the verified domain. | The founder must control the website or DNS proof and keep account keys secure; this verifies identity rather than acting as a marketing listing. | 2026-08-03 | Open Keybase submit page (new tab)Keybase details |
| 57 | 86 | Kompass | kompass.com | Business directories | Free | Quick | High | Not submitted | Register the legal company and complete a global B2B profile with accurate IT services, contact data, and your tool website. | Provide verifiable company details and choose the correct Kompass classifications; enhanced promotion is paid. | 2026-08-03 | Open Kompass submit page (new tab)Kompass details |
| 58 | 86 | Listen Notes | listennotes.com | Other opportunities | Free | Quick | High | Live, conditional | Submit a real your tool podcast RSS feed whose show website and episode notes naturally reference relevant tools. | Valid human-made podcast with substantive episodes only; low-quality or link-only feeds are rejected. | 2026-08-04 | Open Listen Notes submit page (new tab)Listen Notes details |
| 59 | 86 | MeltanoHub | hub.meltano.com | Marketplaces and app stores | Free | Quick | High | Verified live | Build a Singer SDK tap that incrementally extracts your tool audit runs and findings, then add it through MeltanoHub's official issue-assisted or self-service contribution path. | Must be an installable, maintained Singer tap with real schemas and incremental state behavior; do not submit a metadata-only package. | 2026-08-05 | Open MeltanoHub submit page (new tab)MeltanoHub details |
| 60 | 86 | Needle Directory | useneedle.net | Startup directories | Free | Quick | High | Verified live | Sign in and submit an accurate your tool product profile for review. | Verified startups and tools only; community upvotes must remain organic. | 2026-08-05 | Open Needle Directory submit page (new tab)Needle Directory details |
| 61 | 86 | Nimble Directory | nimble.directory | Developer registries | Free | Quick | High | Verified live | Release a maintained Nim client or utility for your tool and publish it through Nimble with accurate repository and homepage metadata. | The package must meet Nimble manifest and source-hosting requirements and remain installable. | 2026-08-03 | Open Nimble Directory submit page (new tab)Nimble Directory details |
| 62 | 86 | Node-RED Flow Library | nodered.org | Developer registries | Free | Quick | High | Verified live | Create a functional your tool Node-RED node, publish it to npm, and add it to the Flow Library with documentation and support metadata. | Must follow Node-RED naming, package metadata, node UX, testing, and documentation conventions and avoid thin wrappers. | Official Node-RED custom node documentation checked 2026-08-07 | Open Node-RED Flow Library submit page (new tab)Node-RED Flow Library details |
| 63 | 86 | NuGet | nuget.org | Developer registries | Free | Quick | High | Verified live | Publish a real .NET library or CLI package with ProjectUrl, readme, repository and license metadata. | Requires a Microsoft account and API key; packages undergo validation and indexing. | Official Microsoft NuGet docs checked 2026-07-30 | Open NuGet submit page (new tab)NuGet details |
| 64 | 86 | NVDA Add-on Store | addonstore.nvaccess.org | Marketplaces and app stores | Free | Quick | High | Verified live | Build an installable privacy or accessibility NVDA add-on and submit it through the official add-on datastore workflow. | Not a generic website listing; public source, documentation, compatible licensing, testing, and ongoing NVDA compatibility are required. | Official live store and datastore submission guide checked 2026-08-05 | Open NVDA Add-on Store submit page (new tab)NVDA Add-on Store details |
| 65 | 86 | Obsidian Community Plugins | obsidian.md | Marketplaces and app stores | Free | Quick | High | Verified live | Build a unique and useful Obsidian plugin, create valid releases and submit it to the community plugin directory. | Requires a working plugin, release artifacts, documentation and compliance with Obsidian developer policies. | Official Obsidian submission docs checked 2026-07-30 | Open Obsidian Community Plugins submit page (new tab)Obsidian Community Plugins details |
| 66 | 86 | Open Hub | openhub.net | Profiles and entities | Free | Quick | High | Verified live | Add or claim a genuine open-source your tool project and complete its description, code locations, tags and official homepage. | FOSS projects only; connect real public source history and avoid duplicate or abandoned shell projects. | Official live Open Hub project directory checked 2026-07-30 | Open Open Hub submit page (new tab)Open Hub details |
| 67 | 86 | Open Makers | openmakers.io | Profiles and entities | Free | Quick | High | Not submitted | Join as your tool founder, create a product page, and document meaningful launches, milestones, and lessons learned. | Sign up as an individual maker, not as a product; product-only and spam accounts may be deleted, and X sign-in is required. | 2026-08-03 | Open Open Makers submit page (new tab)Open Makers details |
| 68 | 86 | Open VSX Registry | open-vsx.org | Marketplaces and app stores | Free | Quick | High | Live, conditional | Publish a useful your tool editor extension whose marketplace metadata links to its homepage and documentation. | Requires a genuine VSIX extension, namespace ownership and an access token; do not republish third-party work without rights. | https://open-vsx.org/ | Open Open VSX Registry submit page (new tab)Open VSX Registry details |
| 69 | 86 | OpenChain | openchainproject.org | Other opportunities | Free | Quick | High | Verified live | Implement a scoped open-source compliance or security-assurance program, self-certify honestly, then request your tool Community of Conformance listing. | Every applicable answer must truthfully be yes and scope must be explicit; self-certification is not independent certification or endorsement. | 2026-08-05 official conformance submission, FAQ and Community of Conformance pages | Open OpenChain submit page (new tab)OpenChain details |
| 70 | 86 | OpenSourceAlternative.to | opensourcealternative.to | Software directories | Free | Quick | High | Live, conditional | Submit a genuinely open-source, maintained and self-hostable your tool component as an alternative to a named proprietary tool. | Requires real open source, self-hosting and active maintenance; submission does not guarantee inclusion. | 2026-08-04 | Open OpenSourceAlternative.to submit page (new tab)OpenSourceAlternative.to details |
| 71 | 86 | OpenTelemetry Registry | opentelemetry.io | Marketplaces and app stores | Free | Quick | High | Verified live | Add native OpenTelemetry support or build a useful your tool instrumentation or utility, then submit its registry metadata and documentation links. | Must fit an allowed registry type, have real implementation and enablement docs, use accurate licence and marketing metadata, and stay maintained. | 2026-08-05 — https://opentelemetry.io/ecosystem/registry/adding/ | Open OpenTelemetry Registry submit page (new tab)OpenTelemetry Registry details |
| 72 | 86 | Package Control | packagecontrol.io | Marketplaces and app stores | Free | Quick | High | Verified live | Build a useful Sublime Text integration for an your tool developer workflow, document it publicly and submit the package for review. | Requires a public repository, valid metadata, releases and successful automated tests; thin promotional plugins will not qualify. | 2026-08-03 | Open Package Control submit page (new tab)Package Control details |
| 73 | 86 | Peerlist | peerlist.io | Launch platforms | Free | Quick | High | Not submitted | Create maker profile and launch your tool as project. | Best fit for developer/design tools; complete profile first. | 2026-07-30 | Open Peerlist submit page (new tab)Peerlist details |
| 74 | 86 | Pipedream Registry | pipedream.com | Marketplaces and app stores | Free | Quick | High | Live, conditional | Build your tool triggers/actions, submit them to the public registry by GitHub PR, and address review feedback. | Components must follow registry patterns; approved PRs become available in Pipedream Marketplace and workflows. | https://pipedream.com/docs/components/contributing | Open Pipedream Registry submit page (new tab)Pipedream Registry details |
| 75 | 86 | Pipedrive Marketplace | pipedrive.com | Marketplaces and app stores | Free | Quick | High | Verified live | Build a Pipedrive OAuth integration for safe note export, duplicate cleanup, or PII auditing and submit a unique your tool listing. | OAuth and testing are mandatory; accept the partner agreement and provide working legal, support, and production URLs. | Official Pipedrive app development and marketplace guidance checked 2026-08-07 | Open Pipedrive Marketplace submit page (new tab)Pipedrive Marketplace details |
| 76 | 86 | PlatformIO Registry | registry.platformio.org | Developer registries | Free | Quick | High | Verified live | Package a real embedded privacy or security library for supported boards, add complete PlatformIO manifest and examples, test it, and publish it publicly. | Published name-version pairs are immutable; package must be functional, properly licensed, documented, versioned, and maintained. | Official PlatformIO package-publish documentation checked 2026-08-05 | Open PlatformIO Registry submit page (new tab)PlatformIO Registry details |
| 77 | 86 | Player FM | player.fm | Other opportunities | Free | Quick | High | Live, conditional | Submit a genuine your tool podcast RSS feed or Apple Podcasts URL with accurate show-website and episode metadata. | Feed must be public, accessible and contain playable audio enclosures; do not submit a fake link-only feed. | 2026-08-04 | Open Player FM submit page (new tab)Player FM details |
| 78 | 86 | Pocket Casts | pocketcasts.com | Other opportunities | Free | Quick | High | Live, conditional | Submit a real public your tool podcast RSS feed whose metadata and episode notes reference the official site naturally. | Requires a valid public RSS feed and genuine episodes; do not submit a shell or private feed as public. | 2026-08-05 | Open Pocket Casts submit page (new tab)Pocket Casts details |
| 79 | 86 | PowerShell Gallery | powershellgallery.com | Developer registries | Free | Quick | High | Verified live | Publish a stable your tool module or script with ProjectURI, LicenseURI, tags, help and examples. | Requires an account and API key; pass PowerShell Gallery validation and avoid placeholder packages. | Official Microsoft publishing docs checked 2026-07-30 | Open PowerShell Gallery submit page (new tab)PowerShell Gallery details |
| 80 | 86 | PRISM Break | prism-break.org | Software directories | Free | Quick | High | Live, conditional | Propose a qualifying open-source your tool privacy project through the official contribution process. | Strong privacy and free-software fit is required; follow maintainers' criteria and avoid promotional-only changes. | 2026-08-05 | Open PRISM Break submit page (new tab)PRISM Break details |
| 81 | 86 | pub.dev | pub.dev | Developer registries | Free | Quick | High | Verified live | Publish an your tool Dart package with homepage, repository, issue tracker, documentation and a complete readme. | Must satisfy pub.dev policy and quality checks; a verified publisher is preferable for a branded package. | Official Dart publishing docs checked 2026-07-30 | Open pub.dev submit page (new tab)pub.dev details |
| 82 | 86 | Pulsar Package Registry | pulsar-edit.dev | Developer registries | Free | Quick | High | Verified live | Build a maintained Pulsar editor package that performs a real your tool workflow, then publish it to the official package registry with a useful README and project link. | Package must be hosted on GitHub and include valid package.json metadata, SemVer and Pulsar engine constraints; it must provide real editor functionality, not a backlink wrapper. | 2026-08-05 | Open Pulsar Package Registry submit page (new tab)Pulsar Package Registry details |
| 83 | 86 | PulseMCP | pulsemcp.com | Other opportunities | Free | Quick | High | Live, conditional | Submit your tool MCP repository or public server URL, preferably after publishing it to the official MCP Registry. | Registry data is processed periodically; only submit a real repository, server or client. | 2026-08-04 | Open PulseMCP submit page (new tab)PulseMCP details |
| 84 | 86 | PWA Directory | pwa.directory | Other opportunities | Free | Quick | High | Live, conditional | First pass PWA checks, then submit the installable HTTPS app with manifest, service worker, offline behavior, icons, and screenshots. | Requires a valid manifest, registered service worker, useful offline behavior, HTTPS, no broken links, and more than a bare website wrapper. | 2026-08-03 | Open PWA Directory submit page (new tab)PWA Directory details |
| 85 | 86 | RingCentral App Gallery | ringcentral.com | Marketplaces and app stores | Free | Quick | High | Verified live | Build a public RingCentral integration around call-note privacy or safe file sharing and complete the profile with your tool documentation, privacy, and support links. | A working public app is mandatory; screenshots must show the integration, and the profile needs installation, support, privacy, and legal details. | Official RingCentral App Gallery promotion documentation checked 2026-08-07 | Open RingCentral App Gallery submit page (new tab)RingCentral App Gallery details |
| 86 | 86 | Sensu Bonsai | bonsai.sensu.io | Other opportunities | Free | Quick | High | Verified live | Publish an open-source Sensu check/handler for your tool, create GitHub releases and bonsai.yml, then register it with description and tags. | GitHub-hosted open-source asset; release archives, supported platforms, SHA-512 checksums, useful README and correct Bonsai metadata are required. | 2026-08-05 — https://docs.sensu.io/sensu-go/latest/plugins/assets/#share-an-asset-on-bonsai | Open Sensu Bonsai submit page (new tab)Sensu Bonsai details |
| 87 | 86 | Sessionize | sessionize.com | Profiles and entities | Free | Quick | High | Live, conditional | Create a founder expert profile and submit substantive talks about privacy-first tools, accessibility or web security. | Directory visibility should reflect real expertise and sessions; free event mode excludes promotional or commercial events. | 2026-08-05 | Open Sessionize submit page (new tab)Sessionize details |
| 88 | 86 | Speaker Deck | speakerdeck.com | Publishing platforms | Free | Quick | High | Verified live | Upload an original conference-quality PDF deck explaining privacy-safe tooling or accessibility testing, with a useful description, correct category, references, and an honest profile link. | Upload a real educational presentation, not a sales brochure. Free decks are public and downloadable; private or password-protected sharing requires Pro, and all content must be owned or licensed. | 2026-08-03 | Open Speaker Deck submit page (new tab)Speaker Deck details |
| 89 | 86 | Stacker News | stacker.news | Profiles and entities | Free | Quick | High | Needs checking | Create a genuine founder profile and share a useful build story or tutorial with a relevant link. | Follow community self-promotion rules; contribute before linking; no repetitive posts. Listing link is currently reported nofollow. | 2026-07-30 • https://www.submission.directory/site/stacker-news | Open Stacker News submit page (new tab)Stacker News details |
| 90 | 86 | StackStorm Exchange | exchange.stackstorm.org | Other opportunities | Free | Quick | High | Verified live | Create a useful StackStorm integration or automation pack for an your tool workflow, then submit it through the official Exchange Incubator pull-request process. | Pack must contain real actions, workflows, rules or sensors; pack.yaml metadata must pass naming, email, Python and SemVer checks, and contribution grants the documented copyright licence. | 2026-08-05 | Open StackStorm Exchange submit page (new tab)StackStorm Exchange details |
| 91 | 86 | Startup Grind | startupgrind.com | Startup directories | Free | Quick | High | Verified live | Join a relevant chapter, complete the founder profile, attend suitable events, and share your tool only in genuine networking context. | Choose a relevant chapter or event and follow organizer rules; member access is not a broadcast or mass-messaging channel. | Official Startup Grind chapter community path checked 2026-08-07 | Open Startup Grind submit page (new tab)Startup Grind details |
| 92 | 86 | StartuPage | startupa.ge | Startup directories | Free | Quick | High | Verified live | Create an authentic founder profile, add your tool as a startup page and include verified website/social links. | Use truthful traction data; do not fabricate revenue or create duplicate identities. | 2026-08-03 | Open StartuPage submit page (new tab)StartuPage details |
| 93 | 86 | Tableau Public | public.tableau.com | Profiles and entities | Free | Quick | High | Verified live | Publish an original dashboard using public your tool benchmark or ecosystem data and add an appropriate project permalink in workbook details. | Everything published is publicly accessible and may be downloadable; never include secrets, private analytics, user-level records, or confidential data. | https://help.tableau.com/current/pro/desktop/en-gb/publish_workbooks_tableaupublic.htm | Open Tableau Public submit page (new tab)Tableau Public details |
| 94 | 86 | Terraform Registry | registry.terraform.io | Developer registries | Free | Quick | High | Live, conditional | Publish a maintained Terraform provider for your tool stable API, or a genuinely reusable deployment module, with signed releases, generated documentation, examples, tests, and semantic versions. | A provider must use a public lowercase terraform-provider-* GitHub repository, signed cross-platform release assets, a valid manifest, docs, and SemVer tags. A module has separate public-repository, naming, structure, documentation, and tag requirements. Publish only a functional reusable artifact. | 2026-08-03 | Open Terraform Registry submit page (new tab)Terraform Registry details |
| 95 | 86 | The Org | theorg.com | Startup directories | Free | Quick | High | Verified live | Add your tool’s real company, founder, and team structure with website and role details to create a trustworthy organization profile. | Use verified work details and obtain team consent before publishing names or roles; do not fabricate an org chart. | https://theorg.com/iterate/how-to-make-an-org-chart | Open The Org submit page (new tab)The Org details |
| 96 | 86 | Toolradar | toolradar.com | Software directories | Free | Quick | High | Verified live | Create an your tool product page for discovery, comparison, and reviews. | Vendor account and truthful product details required. | https://toolradar.com/vendors | Open Toolradar submit page (new tab)Toolradar details |
| 97 | 86 | Traefik Plugin Catalog | plugins.traefik.io | Marketplaces and app stores | Free | Quick | High | Verified live | Build a production-quality Traefik middleware plugin for an your tool privacy or security use case and publish it to the public catalog. | Plugin must be public, reusable, tested, documented, safely scoped, and compliant with Traefik plugin manifest and registry requirements. | 2026-08-05 — https://doc.traefik.io/traefik-hub/api-gateway/guides/plugin-development-guide | Open Traefik Plugin Catalog submit page (new tab)Traefik Plugin Catalog details |
| 98 | 86 | TYPO3 Extension Repository | typo3.org | Marketplaces and app stores | Free | Quick | High | Verified live | Build a TYPO3 backend extension for selected content or media PII, metadata, and accessibility checks. | Register a unique extension key and provide public source, documentation, security policy, semantic versions, and maintained releases. | Official TYPO3 Extension Repository publishing documentation checked 2026-08-07 | Open TYPO3 Extension Repository submit page (new tab)TYPO3 Extension Repository details |
| 99 | 86 | Umbraco Marketplace | umbraco.com | Marketplaces and app stores | Free | Quick | High | Verified live | Create an your tool Umbraco integration package and point its NuGet project URL plus documentation to your tool. | The NuGet package needs the marketplace tag, supported Umbraco version metadata, documentation, and optional marketplace manifest. | Official Umbraco Marketplace package listing documentation checked 2026-08-07 | Open Umbraco Marketplace submit page (new tab)Umbraco Marketplace details |
| 100 | 86 | UN SDG Actions Platform | sdgs.un.org | Startup directories | Free | Quick | High | Verified live | Register a concrete ongoing your tool initiative with measurable milestones, dates, resources, SDG targets, partners and website evidence. | Action must be specific, measurable, achievable, resource-based, time-bound and ongoing; not a proposal, completed activity or organization profile. | 2026-08-05 — https://sdgs.un.org/partnerships/acceleration-actions/register | Open UN SDG Actions Platform submit page (new tab)UN SDG Actions Platform details |
Behind the list
Every row here starts as a line in a sheet, gets normalised into one of 15 groups, scored for cost, effort and impact, and written up with the steps to actually submit. The floor below represents that pipeline.
Open the sheet viewAn illustration of the AltF Backlinks floor: opportunities sourced at the back, vetted for cost and effort by the engineering pod, written up for outreach by the design pod, then tracked to placement along a line.
One-shot launches where timing and preparation decide the outcome.
Fast-growing listings specifically for AI-powered tools.
Extension, plugin and integration stores. Real review processes, real distribution.
Startup listings, beta lists and founder media.
General tool and software catalogues with real search traffic.
B2B review sites. Slow to approve, strong once live.
Package, image and docs hosting that carries real authority.
Showcases judged on craft. A good screenshot matters more than copy.
Write once, link back. Editorial standards vary widely.
Get quoted or distribute a release. Slower, higher ceiling.
Company and local listings. Unglamorous, consistently indexed.
Owned pages you control: company, founder, knowledge-panel entities.
Answer real questions. Never drop a bare link.
Brand surface and referral traffic more than link equity.
Everything that does not fit the buckets above.