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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.
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.
Pitch an original evidence-backed privacy, scam, or cyber advisory based on genuine your tool research.
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.
Publish your genuine benchmark, dataset, software artifact, poster, or methods report with the canonical project URL in metadata.
Claim a basic vendor profile and invite verified existing customers to leave honest reviews.
Publish your original privacy or accessibility guide and add contextual clickable links within the document.
Submit only AI-facing your tool features, not whole toolbox if too broad.
Claim your tool employer profile and verify website, headquarters, logo, company mission, and benefits.
Create company/software listing.
Publish a detailed hardware or IoT project that genuinely uses your tool, with code, parts, instructions and an external tutorial link where useful.
Sign up as a source and answer reporter queries in your area with short, quotable expert responses.
Post technical/product story with canonical link.
Convert your original guide into a public flipbook and add contextual links or web embeds for cited tools and resources.
Claim your tool’s page and add the verified website, social profiles, logo, location, industry, and accurate employer story.
Publish a mature open-source interoperability or public-administration solution with documentation, releases, licence, and owner metadata.
Build a secure Jenkins plugin that performs your real CI, privacy, or accessibility workflow; host it through Jenkins project infrastructure and publish maintained releases and documentation.
Package your tool developer/security utilities as a compatible JetBrains plugin and upload it.
Create a founder portfolio with original your tool launch notes or product case studies and use an external-link page for the canonical website.
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.
Run a genuine privacy, online-tools or accessibility community and reference your tool only where it supports the group or event.
Claim or add the real business page, enter the official website, and publish only accurate service and location details.
Build your free mobile mini-site with brand story, key collections, demos and contact links.
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.
Submit your tool (or its blog/feed where required) under productivity, privacy or developer tools.
Submit useful your tool-related talks to relevant CFPs or run a genuine community CFP with a public event page.
Publish a clinical-data de-identification or quality tool with source, installation steps, dependencies, documentation, and tests.
Submit an educational, non-sales session on privacy-safe tooling or accessible creator workflows when the next CFP opens.
Share a playable build of your web game with the Poki developer team; selected games are published with a developer credit.
Create your organization, set its official website, and publish a real free or paid digital product or subscription.
Use pretalx for your genuine community conference or submit relevant talks to events that use the platform.
Submit a reusable open-source React component extracted from your tool with repository, demo, setup docs and screenshots.
Host your API or product documentation on ReadMe and link back to your main site and app.
Document your real implementation of a named RDA recommendation with challenge, measurable outcome, lessons, and supporting resources.