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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.
Apply to the publication's expert contributor network if you are a senior IT practitioner and propose a regular column topic.
Find the blog contribution guidelines on the site and pitch an actionable content strategy article backed by your experience.
Submit a finished, open web experiment that uses Google technologies (Chrome, WebGL, AI, AR) for their showcase; featured projects link to the live site and the creator.
Pitch a founder interview about how you built and grew your product, with honest numbers and lessons.
Submit your tool landing/design pages.
Sign up as a source and answer reporter queries in your area with short, quotable expert responses.
Enter the yearly competition with a web game that fits in 13 kB zipped; each entry gets a page linking to your source and profile.
Follow the submission page instructions and send an original data science, machine learning or AI tutorial.
Submit landing page for inspiration gallery.
Submit your tool homepage/category landing 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.
Claim or add the real business page, enter the official website, and publish only accurate service and location details.
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.
Share a playable build of your web game with the Poki developer team; selected games are published with a developer credit.
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.
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.
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.
Create a free UK business listing with your category, contact details and website.
Pitch your tool founder/product story.
Submit your tool with homepage URL, privacy-first positioning, logo, screenshots and accurate pricing.
Add SaaS/product profile.
Create source profile and monitor relevant requests.
Create a founder blog that shares compact product lessons and full tutorials linking to your relevant page when useful.
Start your focused field-notes blog and publish useful privacy, accessibility, and security explainers with natural source links.
Add your UK business listing so it appears in their business search.
Publish React UI components and link your site from your author profile.
Add or claim your business entry and link your website.
Add your tool website listing.
Submit your AI product to their tool directory with category and description.
Publish backlink tracker/content calendar template.
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.