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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.
Sign up as a source and answer reporter queries in your area with short, quotable expert responses.
Post technical/product story with canonical link.
Publish a mature open-source interoperability or public-administration solution with documentation, releases, licence, and owner metadata.
Follow the submission page instructions and send an original data science, machine learning or AI tutorial.
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 a clinical-data de-identification or quality tool with source, installation steps, dependencies, documentation, and tests.
Share a playable build of your web game with the Poki developer team; selected games are published with a developer credit.
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.
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.
Publish your design article on Medium, then submit it to the publication following their submission instructions.
If your organisation or product meets notability rules, create an item with official website and sourced statements.
Pitch your tool founder/product story.
Add your UK business listing so it appears in their business search.
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.
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.
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.
If your game is built with Construct, publish it to the Construct Arcade from your account so it gets a public game page.
Share tools or extensions that work with Cursor in the showcase area.
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.
Build table functions that import, normalize and query your tool report JSON or NDJSON with typed findings, then submit the extension descriptor for central build and distribution.
Make a public profile and add your website and GitHub.
Publish design asset or privacy checklist template.
Create a researcher profile with your publications and website.
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.