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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 tool company profile with accurate product, team, media, and website details, then submit it for verification.
Upload or design your useful privacy report and add contextual external links before public sharing.
Write and publish a substantial original handbook on local-first privacy, web safety, or accessible-tool engineering, including reproducible examples and relevant your tool references.
Launch a human-reviewed Privacy & Accessibility Field Notes newsletter with original experiments, implementation lessons, and contextually relevant links to your tool resources.
Create a comprehensive tutorial around a reusable privacy, file-processing, accessibility, or security technique, with your tool only as a natural example.
Build a genuine Joomla extension, create a developer profile and submit a complete listing with the official project website.
Submit fresh module/your tool beta angle, not stale generic site.
Join the writer community and publish data science or ML articles, which go through a light editorial review.
If you blog about PostgreSQL, register your feed so your Postgres posts are syndicated on the planet.
Launch your real educational podcast, complete its public site, and cite relevant tools and sources in useful show notes.
Build a substantive product-design case study covering your tool system, flows, and outcomes, then add the canonical site through supported navigation or project links.
Create an authentic your tool or founder design portfolio with substantive case studies and contextual links to shipped tools.
Publish your original privacy or accessibility guide and add contextual clickable links within the document.
Create company/software listing.
Host your API or product documentation on ReadMe and link back to your main site and app.
Run a clearly disclosed campaign for your tool’s developer and security tools across relevant Changelog podcasts or newsletters.
Create a founder or product-design portfolio with your original case study and add the canonical site as an external menu link.
Create official your tool update/tutorial blog if needed.
Submit a design or architecture project through their DIY submission tool with images and text.
Register as a member and publish blog posts on fintech, payments or banking technology.
Create an account and publish a member blog on game development, tools or postmortems.
Add your indie game, post updates and link your studio site.
Send creative work for possible editorial coverage.
Send release notes for notable versions of your desktop software to their software news section.
Open a pull request to the Nuxt modules repository to list your module.
Host a podcast on the free tier and link to your site from the show page and episode notes.
Make mini landing page for your tool categories linking home/tools.
Add or claim your tool only if it has a genuine US business presence, then verify the website and business details.
Publish a chart from your own data and add your site as the source link.
Pitch/list company/tool if category fits.
Publish an interactive chart or story from your own data and credit your site in the source note.
Run your genuine privacy/security publication and add contextual links in original posts and About pages.
Create a chart or infographic from your data and share it publicly with a source link to your site.
Use the free plan to publish a public newsletter archive or landing page that links to your site.
Publish your OpenAPI definition publicly on SwaggerHub with a link to your product docs.
Submit your tool web design if premium/polished.
Submit site for CSS/design award.
Host your podcast and use the included show site and notes to link to your website.
Publish press releases, images and news in a hosted newsroom that links to your site.
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.