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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.
Build and host a useful Jotform widget, register it with full documentation and send it for approval.
Create a genuine JavaScript SDK or demo on GitHub Pages and request an appropriate js.org subdomain that links to its official your tool documentation.
Publish your small standalone privacy or accessibility demo with explanatory comments and a stable share URL.
Publish your clean benchmark or open dataset plus a reproducible notebook, with proper licensing and the canonical project URL in the data card.
Build your standalone integration package with tests and submit the required LangChain documentation PR.
Create and test a Portfile for your open-source CLI or desktop app, including its canonical homepage.
Build and teach a live, project-based cohort on creating local-first privacy tools or accessible web utilities, supported by a substantive public syllabus and real instructor profile.
Release a useful Java or Kotlin SDK and include the project homepage, source control, license and developer metadata in the POM.
Publish an original, human-verified privacy or accessibility benchmark with complete methodology, provenance, schema, license, and a relevant project citation.
Upload your original audio explainer and place relevant resource links naturally in the show description.
Build and test a Netlify extension, publish it publicly, then submit it for review and directory listing.
Create a useful quickstart for monitoring your real deployment, with instrumentation instructions, a working data source, dashboards, alerts, documentation, and a GitHub contribution.
Build a signed Nextcloud app for local document sanitization or privacy checks, publish releases, and maintain App Store compatibility.
Add and test a Nix expression for your genuine release with description, homepage, license and maintainer metadata.
Publish @your tool/embed or utility package with homepage.
Publish your small local-first classifier for privacy, secret detection, or defensive content analysis.
Suggest your tool and complete its B2B software profile.
Create your genuine collective, complete its public profile, and add the official website plus repository/social links.
Submit a complete, openly licensed privacy/digital-safety textbook already used in higher education.
Publish a free mini-course on privacy, redaction, scam detection, or accessibility with genuine your tool exercises in the curriculum.
Create a public OBS project and package that builds your tool for supported Linux distributions with upstream links.
Post only a self-contained initial announcement of a substantial open-source defensive tool, a major update, or a properly coordinated OSS vulnerability disclosure.
Publish a genuinely useful free privacy checklist, redaction template, or safety workbook that complements your tool and has standalone value.
Contact PeerSpot with your tool enterprise use cases and real-customer evidence to request inclusion.
Submit your valid public podcast feed and keep website and episode-link metadata accurate.
Claim your genuine show, verify ownership, and complete its official website and creator details.
Submit one mature privacy tool, disclose ownership, publish its exact threat model and limitations, and engage transparently with the community review.
Publish your reproducible testing, privacy-analysis or accessibility-evaluation method and cite relevant project resources.
Build a QGIS plugin that checks selected layers or exports for sensitive coordinates and metadata, then creates a safer copy.
Publish your maintained open-source service template with safe variables, health checks, documentation and a demo.
Publish a carefully annotated collection of trustworthy privacy, accessibility, and safety resources, including only your tool pages that genuinely fit each section.
Build a maintained Redmine plugin that creates privacy or security audit tasks, document supported versions, then register it under an authenticated developer account.
Package your legitimate Ruby client or utility and add homepage and source metadata before pushing the gem.
Build your Sanity Studio plugin, publish it to npm, and submit it to Sanity Exchange with documentation and support links.
Find an existing question where your specific utility is a genuine option, add it accurately, and document balanced pros and cons.
Ship your installable Linux app or CLI as a snap with a complete store listing and website link.
Submit your desktop or mobile app through their developer contact so it gets a download page.
Build a useful Splunk app or add-on for legitimate your tool security, audit, or operational data; package it with clear documentation, icons, screenshots, release metadata, and support details.
Host or claim your genuine show, verify the RSS email, and publish accurate episode notes with relevant HTTPS resources.
Publish a working browser demo or starter that teaches your integration, with accurate title, description and canonical documentation link.
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.