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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.
Build a privacy-safe macOS Alfred workflow that opens or runs useful your tool actions, publish it on the forum, gather feedback, and seek Gallery inclusion.
Complete a relevant accessibility or privacy-themed challenge, submit its real live URL and public repository, and add your tool only as maker context or a case-study link.
Build a polished Alfred workflow that opens or securely sends selected content to your relevant utility, then submit it through the official Gallery forum flow.
Create a real designer profile and publish your original UX/accessibility case study with process artifacts, outcomes, and the official project link.
Publish your reproducible privacy benchmark with code, synthetic data, model versions, and documentation.
Create the real developer profile and add your tool as a genuine built project with problem, challenges, technologies, screenshots, demo, and accurate collaborator credits.
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.
Join as your real designer and share polished, original interface explorations or accessibility improvements with useful design context and a profile website link.
Create a founder or developer portfolio and publish your build case study with screenshots, process, outcomes, and the live project link.
Submit your polished landing/tool UI with clean screenshots and design credits.
Submit your polished landing/tool UI with clean screenshots and design credits.
Submit your polished landing/tool UI with clean screenshots and design credits.
Submit your polished landing/tool UI with clean screenshots and design credits.
Submit your polished landing/tool UI with clean screenshots and design credits.
Publish an original design or accessibility article with practical examples, then use the contact form's official submit-a-link path for that one article.
Submit your polished landing/tool UI with clean screenshots and design credits.
Submit your canonical URL and optional creator details; let the gallery prepare its own screenshots after review.
If your property genuinely uses Astro, use the Submit site action to propose it for the public showcase.
Submit your site if it has a polished dark design.
Build a genuine free challenge solution, publish the deployed project and repository, and use the finished privacy or accessibility implementation as a portfolio case study.
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.
Sign in with GitHub or Google and add your tool as a real portfolio project with tech stack.
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.
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.
Submit your polished landing/tool UI with clean screenshots and design credits.
Contribute a generalized privacy-by-design pattern derived from your tool experience, with problem, context, forces, and solution.
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.
Publish original your tool UI/illustration work, then add the official website in the profile bio.
Add a released demo or intro (including JavaScript and browser productions) with download and live links.
Submit your SaaS product so its UI screens can be added to the gallery.
Publish GLSL shaders publicly and mention the full project in the shader description.
Submit a project you made from one of their challenges or tutorials to the community showcase on that page, with a link to your version.
Submit a strong branding, UI or illustration project for possible feature.
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.