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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.
Submit your tool landing/category page.
Look for the article submission guidelines and send a finished draft on a practical B2B or digital marketing topic.
Apply through the contributor program (shared with Search Engine Land) and pitch an article on marketing operations, data or tooling.
Publish your product or developer docs from a Git repo on the free tier and link to your site from the docs.
Pitch an article on API design, security or strategy; the team also works with paid freelance writers.
Host your API or product documentation on ReadMe and link back to your main site and app.
Contact the editors with a pitch for a guest view on software development practices or industry trends.
Look for the guest posting guidelines on the blog and pitch an SEO or PPC topic with real examples.
Read the contributor guidelines linked from the site and pitch an original how-to for small business owners.
Review the writer guidelines and pitch a detailed, step-by-step social media tactic you have actually used.
If you run an agency, create a profile with services, portfolio work and client reviews.
Pitch original your tool security research, a defensible dataset or timely threat analysis.
Read the writer guidelines on the site and submit a well-researched data science or ML article with code or results.
Create a free provider profile for your agency and collect client reviews.
Pitch your tool founder/product story.
Submit product for review/listing.
Pitch/write article about privacy-first browser tools.
Apply with a genuine technical portfolio and propose an original mobile privacy tutorial aligned with Kodeco's listed subject areas.
Pitch an original Python privacy, document-safety, or local-processing tutorial based on real your tool engineering lessons.
Add SaaS/product profile.
Publish React UI components and link your site from your author profile.
Submit your AI product to their tool directory with category and description.
Submit your open-source Android library with its repository link.
Submit a link to an Android article, library or tool through the site.
Submit your site URL for the curated design gallery.
Submit your design portfolio or resume for the curated gallery.
Submit your site if it follows a raw, brutalist style.
Add your repository so contributors can subscribe to help triage its issues.
Email the curator a link to a useful DevOps article, tool or talk.
Post your product as a maker log or launch, ideally with a Korean description.
Add your Neovim plugin or config so it appears in their searchable directory.
Create business listing.
Suggest your Flutter package so it is categorised in their curated catalog.
Submit your free API with a description and documentation link.
Add company website listing.
Share your open-source project or tool as a Show post with a Korean summary.
Reply to an issue or contact the editor with a link to a useful Go article or library you made.
Add your open-source repo via pull request so beginners find your labelled issues.
Create business listing if eligible.
Use the newsletter's link submission option to suggest a useful iOS or Swift article or tool.
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.