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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.
Post how to embed your tool calculators in Ghost after /embed live.
Mirror open-source embed SDK or examples with homepage link.
Create your truthful /founder profile or content page and add the website link where allowed.
Create business profile only if eligible with real business details.
Create brand/founder profile with verified links.
Release a useful Haskell library or command-line client with homepage, source and bug-report metadata.
Release a useful Haxe SDK or privacy utility and set haxelib.json's URL to your relevant documentation page.
Add your remote-friendly company with a description, tech stack and website.
Create your truthful /founder profile or content page and add the website link where allowed.
Apply with a privacy/digital-safety education program that demonstrates real K-12 impact and scalability.
Publish a genuine browser or desktop your tool utility with screenshots, documentation and an official-site link.
Build a functional Jellyfin privacy, metadata-cleanup, or local-safety plugin with a maintained manifest repository, then propose its repository and documentation entry.
Build your functional Joomla integration and submit a complete listing with an approved download route.
Create a truthful scholarly profile and deposit an original privacy, accessibility, or digital-humanities paper or teaching resource with its related your tool URL.
Create your project team, connect verified project accounts, and describe the official website and repository contextually.
Create a useful Lua client or helper, publish its rockspec and include homepage, license and source links.
Claim or add your legal business, complete its description and logo, and include the verified website link.
Create your working public integration or reusable Mastra template with repository and documentation for review and cross-listing.
Submit your MCP server with its repository, install steps and description.
Publish useful n8n workflow linking your tool resources.
Create a useful npe2 napari plugin for image privacy, metadata inspection or scientific redaction, publish it correctly on PyPI and let the official hub index its project metadata.
Release your reusable -related security or privacy module from a correctly named public GitHub repository.
If the founder contributes to research or innovation, create an ORCID record and add your tool under public website and relevant work links.
Sign up, find or add your company and claim the profile to edit the description and website.
Create a product page with visuals and a clear tagline, then share it so people upvote.
Document a real participatory public-decision deployment as a Case, Method or Organization entry with evaluations and project URL.
Create your truthful /founder profile or content page and add the website link where allowed.
Search for your tool; submit an accurate profile update or request research coverage with authoritative company data and website.
Build a ProcessWire admin module for external URL, metadata, accessibility or security audits, register as a module author and submit it to the official directory.
List your legitimate documented API in the relevant developer category using the normal or Pro review queue.
Build a stable open-source RabbitMQ plugin for your legitimate security/privacy workflow and ask the RabbitMQ team to list it.
Build your tool actions as a Raycast extension and publish through the official GitHub PR workflow.
Request access, then publish your rich research-software page with source, getting-started URL, DOI, contributors, and research mentions.
An eligible active researcher can publish genuine your tool studies, code or datasets and add the official website where appropriate.
Publish a substantial open-source Backstage plugin that integrates your tool privacy/security checks, then request inclusion if the directory does not discover it.
Register a stable, genuinely research-used your tool software, service, or database with accurate maintainer and version metadata.
Publish and maintain a tested Scoop manifest for your actual portable Windows CLI or app.
Build a maintained Silverstripe CMS module for your useful privacy, accessibility or URL-audit workflow, publish it with correct Composer metadata and submit it to the public directory.
Publish an original educational 3D asset connected to your real tutorial, with accurate credits and a contextual project link in the description.
Create your truthful /founder profile or content page and add the website link where allowed.
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.