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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 boards for PDF/image/calculator tools linking pages.
Create software listing/vendor profile.
Create your truthful /founder profile or content page and add the website link where allowed.
Create profile, build-in-public threads, link homepage.
Launch your properly scoped vulnerability disclosure or public bug-bounty program.
Join the vendor program and package your tool as a legitimate one-click app or supported SaaS add-on with documentation and website links.
After security readiness, launch a properly scoped public VDP or bounty program with safe-harbor language, assets, response SLAs and funded rewards where applicable.
Publish useful browser extension linking your tool.
Start privately, mature the process, then publish your program indexed in Intigriti's public directory.
Publish backlink tracker/content calendar template.
Upload your Android app through their developer console.
Set up a creator account and add your website and socials.
Share a Babylon.js demo or game in the demos and projects category with a link to try it.
Publish UI/brand case study for your tool.
Create public repo for embed SDK/example package.
Create founder/brand profile linking your tool.
Published authors can claim a profile and add a bio and website.
Create business citation profile.
Create your profile and add genuinely useful homepage, privacy-tool and accessibility-tool links.
Host privacy-friendly OSS helper repo linking your tool.
Create a profile and add your website or blog link in your details.
Register and fill your profile; you can also write technical blog entries.
Solve a kata to join, then add your site and social links to your profile.
Share tools or extensions that work with Cursor in the showcase area.
Claim/add business profile if eligible.
Submit your podcast feed through the Deezer podcasters portal.
Publish original your tool UI/illustration work, then add the official website in the profile bio.
Set up a Disqus profile with your website so it shows next to your comments.
Publish open-source helper image only if useful.
Create a journal, fill in your profile and publish posts that link to your work where relevant.
Submit JavaScript articles, libraries or tools.
Announce your Elixir library or project in the libraries category.
Make a public profile and add your website and GitHub.
Create an account and add your website to your profile; share build updates in relevant channels.
Publish design asset or privacy checklist template.
Create a creator profile, share useful prompts or bots and add your website to your bio.
Create a researcher profile with your publications and website.
Set up your profile with skills, projects and a site link.
Complete your developer profile, including a link to your site or portfolio.
Bookmark useful pages with a comment; popular entries reach Japanese readers.
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.