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A maintained list of 1,854 legitimate backlink sites: directories, profile creation sites, guest posting sites, launch platforms, registries and marketplaces. 1,532 are free or have a free tier, 44 usually give a dofollow link, and 772 have an estimated DA of 70 or more. Every row shows authority, link type, cost and effort, and links straight to the submit page.
Create a tested Ansible collection for supported your tool deployment or audit automation, complete galaxy.yml, version it, and publish with a Galaxy token.
Create your real Airflow provider with hooks/operators and documentation metadata, publish it, then add it to Airflow’s Ecosystem page by PR.
Build a pipeline plugin that runs your tool checks on selected artifacts and posts configurable pass, warn, or fail annotations.
List product under software categories.
Build an original interactive demo of your utility, document the use case in Pen Details, and add your tool as one of the public profile links.
Publish a small open demo that explains one your tool algorithm or UI pattern and add the product website to the founder profile links.
Complete the founder's developer profile, add your tool as real project experience, and publish useful privacy or security engineering posts with contextual links.
Build a DokuWiki privacy, redaction, accessibility, or secure-export plugin, publish its code and create the canonical plugin page used by the extension directory.
Publish a functional Eclipse plugin for your developer use case, then create a complete marketplace listing with official support and source links.
Offer a substantial free privacy checklist, accessibility workbook, or safety template from a branded storefront and link your tool only as supporting documentation.
Create a functional Framer plugin for accessibility, metadata, responsive-content, or privacy checks and publish it with your tool documentation.
Register an authorized Indian business seller and list only real eligible your tool services with accurate catalogue details.
Create org/repo README linking your tool; submit to relevant awesome lists.
Create a functional Hexo plugin for your relevant capability, publish the package, then add its record to Hexo's official plugin data repository.
Audit every your tool subdomain, stage HSTS safely, then submit the base domain only after long-term HTTPS readiness is proven.
Add product and post build-in-public story with honest numbers.
Create the founder Keybase profile and cryptographically prove control of your tool so the public identity record links the verified domain.
Register the legal company and complete a global B2B profile with accurate IT services, contact data, and your tool website.
Submit your real podcast RSS feed whose show website and episode notes naturally reference relevant tools.
Publish a real .NET library or CLI package with ProjectUrl, readme, repository and license metadata.
Build a unique and useful Obsidian plugin, create valid releases and submit it to the community plugin directory.
Add or claim your genuine open-source project and complete its description, code locations, tags and official homepage.
Add native OpenTelemetry support or build your useful instrumentation or utility, then submit its registry metadata and documentation links.
Build your tool triggers/actions, submit them to the public registry by GitHub PR, and address review feedback.
Build a Pipedrive OAuth integration for safe note export, duplicate cleanup, or PII auditing and submit your unique listing.
Submit your genuine podcast RSS feed or Apple Podcasts URL with accurate show-website and episode metadata.
Submit your real public podcast RSS feed whose metadata and episode notes reference the official site naturally.
Publish your stable module or script with ProjectURI, LicenseURI, tags, help and examples.
Publish your Dart package with homepage, repository, issue tracker, documentation and a complete readme.
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.
Create a founder expert profile and submit substantive talks about privacy-first tools, accessibility or web security.
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.
Join a relevant chapter, complete the founder profile, attend suitable events, and share your tool only in genuine networking context.
Publish an original dashboard using public your tool benchmark or ecosystem data and add an appropriate project permalink in workbook details.
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.
Build a TYPO3 backend extension for selected content or media PII, metadata, and accessibility checks.
Create your Umbraco integration package and point its NuGet project URL plus documentation to your tool.
Register your concrete ongoing initiative with measurable milestones, dates, resources, SDG targets, partners and website evidence.
Build a production Webex integration or bot for deliberate sharing of your tool checklists or sanitized files, then submit its branded App Hub profile.
Build a tool that genuinely interacts with Wikimedia, publish accurate toolinfo.json metadata, and register it through Toolhub UI, crawler, or API.
Four steps that work for a new site, a SaaS or a side project. No paid link packages, nothing that risks a penalty.
Before submitting anywhere, have a one-line description, a 150-word description, a square logo and two or three screenshots ready. Every form asks for some mix of these.
Start with the free, quick rows: profile creation sites and free directories. They are one form each and build the entity signals search engines use to understand who you are.
Then pick a handful of high DA and dofollow sites that fit your niche, and write proper guest posts or launch posts for them. Ten relevant links beat a hundred random ones.
Note where you submitted and when. Recheck after a month, update stale descriptions, and never pay for bulk link packages: they put the whole site at risk.
Behind the list
Every row here starts as a line in a sheet, gets normalised into one of 16 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.
Publications that accept contributed articles. Slow and editorial, but the links are earned.
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.