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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.
Publish your well-documented public API workspace with runnable collections, examples and the canonical API website.
Create a real designer profile and publish your original UX/accessibility case study with process artifacts, outcomes, and the official project link.
Open-source a meaningful component and prepare a community-focused talk, demo, or joint stand proposal for the next FOSDEM CFP rather than a company sales presentation.
Publish your small standalone privacy or accessibility demo with explanatory comments and a stable share URL.
Publish a synthetic benchmark for screenshot redaction, document masking, or visual privacy detection.
If your property genuinely uses Astro, use the Submit site action to propose it for the public showcase.
Enter a relevant live hackathon with your working project, complete its story and demo, and include the project website where allowed.
If your tool maker genuinely offers related services, add the project as a detailed portfolio item with role, outcomes, visuals, and permitted project links.
If your tool documentation genuinely runs on Docusaurus, add the polished docs site through the official showcase discussion.
Create a focused educational demo for one your tool technique and share the public bin from an authentic profile.
Build a working mini-project showing your browser-side feature and publish its indexed share page with useful documentation.
Use an authentic maker profile to publish your portfolio piece containing original images, article, code, video, or audio samples.
Build a substantive product-design case study covering your tool system, flows, and outcomes, then add the canonical site through supported navigation or project links.
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.
Publish original your tool UI/illustration work, then add the official website in the profile bio.
Submit a design or architecture project through their DIY submission tool with images and text.
Send creative work for possible editorial coverage.
Submit only if your tool page/template is built in Webflow.
Share selected UI shots/tool pages with profile link.
Submit high-quality website design.
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.