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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 | 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 |
| 2 | 98 | Dify Marketplace | dify.ai | Marketplaces and app stores | Free | Moderate | Do first | Not submitted | Build and test a free Dify plugin for a distinct your tool privacy or file-analysis capability, package it, add a privacy policy, and submit the required pull request. | Human and automated review checks functionality, uniqueness, value, privacy, and maintenance; acceptance and external-link visibility are not guaranteed. | 2026-08-03 | Open Dify Marketplace submit page (new tab)Dify Marketplace details |
| 3 | 98 | Godot Asset Library | godotengine.org | Marketplaces and app stores | Free | Moderate | Do first | Verified live | Create a useful Godot editor add-on or privacy-safe asset pipeline tool, release it under an accepted license and submit its repository. | Assets must work, include license and README files and pass review; only link to AltFTool where it is part of the asset documentation. | 2026-08-03 | Open Godot Asset Library submit page (new tab)Godot Asset Library details |
| 4 | 98 | Google Workspace Marketplace | workspace.google.com | Marketplaces and app stores | Free | Moderate | Do first | Live, conditional | Build an your tool add-on for Drive, Docs, Sheets, Gmail, or another Workspace product and publish it. | Must genuinely integrate with Google Workspace and pass OAuth, configuration, and app review. | https://developers.google.com/workspace/marketplace/how-to-publish | Open Google Workspace Marketplace submit page (new tab)Google Workspace Marketplace details |
| 5 | 98 | Linear Integration Directory | linear.app | Marketplaces and app stores | Free | Moderate | Do first | Not submitted | Build a maintained Linear integration that sends approved your tool audit findings into issues, then submit its listing and assets. | Linear reviews for broad utility and generally rejects scripts, low-effort tools, and hobby apps; listing and outbound-link treatment are discretionary. | 2026-08-03 | Open Linear Integration Directory submit page (new tab)Linear Integration Directory details |
| 6 | 98 | Mattermost Marketplace | mattermost.com | Marketplaces and app stores | Free | Moderate | Do first | Not submitted | Create a supported Mattermost plugin or app that scans user-approved text for sensitive data before sharing, with docs and a public issue tracker. | Submission needs a testable artifact, documentation, icon, bug tracker, and maintained security fixes; review and backlink attributes are discretionary. | 2026-08-03 | Open Mattermost Marketplace submit page (new tab)Mattermost Marketplace details |
| 7 | 98 | Microsoft Marketplace | microsoft.com | Marketplaces and app stores | Free | Moderate | Do first | Live, conditional | Register in Partner Center and publish an your tool SaaS or Microsoft-integrated offer. | Requires an eligible Partner Center account, offer configuration, testing, and certification. | https://learn.microsoft.com/en-us/partner-center/marketplace-offers/create-new-saas-offer | Open Microsoft Marketplace submit page (new tab)Microsoft Marketplace details |
| 8 | 98 | Replicate | replicate.com | Marketplaces and app stores | Free | Moderate | Do first | Verified live | Package a genuinely useful open model or reproducible AI utility, publish it publicly with examples and cite the related your tool documentation naturally. | Discovery requires a public working model, a pushed version, README and example; licensing and model-safety obligations apply. | 2026-08-03 | Open Replicate submit page (new tab)Replicate details |
| 9 | 98 | Slack Marketplace | slack.com | Marketplaces and app stores | Free | Moderate | Do first | Live, conditional | Build a production-ready your tool Slack app for safe file/text utilities, then submit it from the app configuration page for Marketplace review. | Must be fully functional, installable, tested outside the development workspace, secure, and useful inside Slack; review is strict. | https://api.slack.com/directory/app-review-guide | Open Slack Marketplace submit page (new tab)Slack Marketplace details |
| 10 | 97 | Atlassian Marketplace | atlassian.com | Marketplaces and app stores | Free + paid tier | Quick | Do first | Live, conditional | Build a Forge-based your tool integration for Jira or Confluence, create a Marketplace Partner profile, and submit a compliant public listing. | New submissions must use supported cloud/Forge paths and meet security, privacy, legal, support, and active-maintenance requirements. | https://developer.atlassian.com/platform/marketplace/introduction-to-marketplace/ | Open Atlassian Marketplace submit page (new tab)Atlassian Marketplace details |
| 11 | 97 | RapidAPI | rapidapi.com | Marketplaces and app stores | Free + paid tier | Quick | Do first | Live, conditional | Publish a real, documented your tool API, complete its Hub listing with accurate website and terms URLs, and optionally offer a free usage tier. | Conditional on a stable production API with correct auth, documentation, monitoring, support, privacy, and functional endpoint tests. | https://docs.rapidapi.com/docs/what-is-rapidapi | Open RapidAPI submit page (new tab)RapidAPI details |
| 12 | 95 | Craft Plugin Store | craftcms.com | Marketplaces and app stores | Free + paid tier | Moderate | Do first | Verified live | Build a maintained Craft CMS plugin for a genuine your tool workflow, publish its code and documentation, then submit a complete store listing. | Requires a public GitHub repository, valid metadata, screenshots and approval; paid plugins are subject to commercial and support rules. | 2026-08-03 | Open Craft Plugin Store submit page (new tab)Craft Plugin Store details |
| 13 | 95 | Shopify App Store | shopify.com | Marketplaces and app stores | Free + paid tier | Moderate | Do first | Live, conditional | Build a real Shopify-facing your tool utility, complete its public listing, test it on a development store, and submit it for App Store review. | Must integrate with Shopify, have a functional merchant UI, comply with data/privacy rules, and pass technical and listing review. | https://shopify.dev/docs/apps/launch/app-store-review | Open Shopify App Store submit page (new tab)Shopify App Store details |
| 14 | 94 | Gartner Peer Insights | gartner.com | Marketplaces and app stores | Not stated | Moderate | Do first | Verified live | Create a vendor portal account and request your tool under the closest eligible Gartner market category. | Gartner checks market alignment before listing; reviews must come from authenticated real users and must never be fabricated or incentivized improperly. | 2026-08-03 • https://gpivendorresources.gartner.com/en/articles/8212705-getting-listed-on-peer-insights | Open Gartner Peer Insights submit page (new tab)Gartner Peer Insights details |
| 15 | 85 | TechnologyAdvice | technologyadvice.com | Marketplaces and app stores | Paid | Involved | Do first | Not submitted | Apply for the free Basic profile with a current website, clear business value, category, pricing, and authentic reviews. | Must be business-use software that fits an established category and has a clear value proposition; editorial acceptance is discretionary. | 2026-08-03 | Open TechnologyAdvice submit page (new tab)TechnologyAdvice 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.