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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 your public workspace with sanitized API collections, examples, documentation, and a canonical homepage link on the publisher profile.
Publish your genuine Rust client, CLI, parser, or privacy library and set homepage, repository, README, license, and documentation metadata.
Build your add-on for Drive, Docs, Sheets, Gmail, or another Workspace product and publish it.
Register in Partner Center and publish your SaaS or Microsoft-integrated offer.
Publish your real PHP SDK or integration from a public repository and set the canonical homepage in composer.json.
Publish your real Python SDK, CLI, or integration package and set Homepage, Documentation, Source, and Issues URLs in package metadata.
Publish and maintain your genuine Ruby client, CLI, or integration gem with accurate homepage, source, documentation, and changelog metadata.
Create or import your genuine show, keep it public, set its official Website field and publish useful episodes.
Build your Forge-based integration for Jira or Confluence, create a Marketplace Partner profile, and submit a compliant public listing.
Publish your real episode and add contextual links to resources actually discussed in its show notes.
Search for and claim your real podcast, then keep its RSS-supplied website and episode metadata accurate.
Submit your genuine podcast RSS feed or Apple Podcasts URL with accurate show-website and episode metadata.
Build your redaction, accessibility, image, or privacy add-on and submit its public listing.
Create a real source connector that lets consenting users export appropriate your tool data, provide tests and documentation, and contribute it to Airbyte's public connector catalog.
Submit and verify one genuine your tool podcast feed for distribution on Amazon Music and Audible.
Add or claim your real podcast in Creator Studio and complete channel, site and episode metadata.
Ship your real CLI or desktop utility as a tested package with homepage, project and support metadata.
Apply as a Datadog Technology Partner and build a production-grade integration that sends meaningful your tool telemetry, includes dashboards and documentation, and is useful to shared customers.
Build and verify your Discord app, then enable Discovery in the Developer Portal.
Publish your maintained CLI or server image with source, documentation, descriptions and canonical homepage links.
Build an Elastic package that ingests legitimate your tool logs, metrics, or traces and supplies mappings, pipelines, dashboards, documentation, sample data, and automated tests.
Build your useful privacy-preserving extension, submit a signed build, and provide honest homepage, permissions and privacy disclosures.
Build your real documentation/privacy integration, publish it as public, test it, then submit for GitBook review.
Join the partner platform and create your secure service with genuinely useful triggers, queries, and actions, pass endpoint tests and review, then publish helpful Applets for real user workflows.
Publish your clean benchmark or open dataset plus a reproducible notebook, with proper licensing and the canonical project URL in the data card.
Upload your original audio explainer and place relevant resource links naturally in the show description.
Create your genuine collective, complete its public profile, and add the official website plus repository/social links.
Claim your genuine show, verify ownership, and complete its official website and creator details.
Host or claim your genuine show, verify the RSS email, and publish accurate episode notes with relevant HTTPS resources.
Publish your real OpenAPI definition publicly with an accurate description and external documentation URL.
Build your accounting/privacy integration, validate it with customers, certify and publish it in the Xero App Store.
Submit your genuine podcast RSS feed in Podcasts Connect and include the official show website in valid metadata.
Build and upload your useful IntelliJ-platform plugin with vendor, license, source, support and compatibility links.
Publish your real webinar, demo or workshop with a contextual canonical link in its event details.
Ship your real iOS or macOS app and add the product, support and privacy URLs in App Store Connect.
Publish your genuine Android app and use the website, support and privacy-policy fields for official links.
Build your working automation Actor, publish it to the Store and include contextual project/documentation links.
Publish a genuine browser or desktop your tool utility with screenshots, documentation and an official-site link.
Create your project team, connect verified project accounts, and describe the official website and repository contextually.
An eligible active researcher can publish genuine your tool studies, code or datasets and add the official website where appropriate.
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.