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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.
Create your truthful /founder profile or content page and add the website link where allowed.
Submit your tool with the verification badge or use the no-badge paid option.
Announce open-source Swift packages in the related projects area.
Start a public channel for updates and put your site in the channel 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.
Suggest a single-purpose, playful website so it can be added to the random rotation of sites.
Open a pull request on the newsletter's GitHub repository to add your Rust blog post or project.
Post build updates and tool launches.
Post your three.js experiment in the Showcase category with a live link and a few notes on how it was made.
Create a member profile with skills and links to your work.
Add your Australian business with consistent contact details and a website link.
Create visual/tool tip microblog with canonical links.
Use their podcaster form to submit your show's RSS feed.
Create business profile if eligible.
Host real build sessions or tool demos and add your tool to the channel About/social links.
Add a project file to their GitHub repo pointing at your beginner-friendly issue label.
Suggest a useful UX article, tool or resource through the newsletter's submission option.
Share your project in the creation-sharing node with a Chinese description.
Create a community page for your brand and add your website.
Add your tool website listing.
Sign in with a Y8 account and upload your HTML5 or WebGL game; the game page shows your developer profile.
Create an account and submit your tool with URL, category and concise product copy.
Check whether your company has a profile and submit corrections so it shows your real site and details.
If your site's uncompressed size is under 512 KB, submit it via the GitHub repo.
Apply as a designer with a portfolio to get a public profile.
Submit a strong branding, UI or illustration project for possible feature.
Answer accessibility questions where you have real expertise and link your profile to your site.
Build or list an AI agent on the network and link your product in the agent profile.
If you serve Chinese users, submit your AI tool with a Chinese description.
Submit business/site listing if form active.
Build a production-grade Camel component for your tool APIs and propose it upstream with generated component docs and tests.
If your app works well with VoiceOver, add it to the app directory or share it in the forum.
Build a developer profile with your experience and portfolio link.
Submit a polished web game through their developer route; published games carry a developer credit on the game page.
Help Ubuntu users with complete answers and keep your site link on your profile.
Submit your -related astronomy utility only after it has been used in research submitted to or published by a refereed journal.
Open a pull request to the awesome-go list with your Go library.
Create an artist or label page, upload your music and link your website.
Canadian startups can send launch, funding or growth news to the editorial team.
Create a tested Bioconda recipe for a genuinely biomedical or bioinformatics your tool utility, with accurate homepage/source metadata, and submit it through the official review workflow.
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.