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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.
Prepare and test a policy-compliant ebuild for your stable CLI, including accurate HOMEPAGE and source metadata, then work with a Gentoo developer or proxy maintainer for repository inclusion.
Set up your profile with skills, projects and a site link.
Complete your developer profile, including a link to your site or portfolio.
Bookmark useful pages with a comment; popular entries reach Japanese readers.
Create business listing if eligible.
Submit your podcast RSS feed so it gets a show page.
Licensed attorneys can claim a free profile and link their firm site.
Fill in your profile and add your website and GitHub links.
Post your Mac or iOS app in the developer-allowed app sections.
Create profile; share privacy-first tools in relevant communities.
Create a profile, add your site and post original content.
Share what you built with the OpenAI API in the community showcase category and answer questions.
Set up a profile with your site link and post short updates.
Discuss your Python packaging or tooling project in the relevant category.
Answer relevant questions genuinely; profile links to your tool.
Share your Rust crate or tool in the announcements category.
Find your author page and claim it so you can add your homepage and fix your paper list.
Switch to a public or business profile and add your website.
Add or claim your program and keep version info and description up to date.
Announce open-source Swift packages in the related projects area.
Start a public channel for updates and put your site in the channel description.
Post build updates and tool launches.
Create a member profile with skills and links to your work.
Create visual/tool tip microblog with canonical links.
Use their podcaster form to submit your show's RSS feed.
Host real build sessions or tool demos and add your tool to the channel About/social links.
Share your project in the creation-sharing node with a Chinese description.
Create a community page for your brand and add your website.
Sign in with a Y8 account and upload your HTML5 or WebGL game; the game page shows your developer profile.
Check whether your company has a profile and submit corrections so it shows your real site and details.
Apply as a designer with a portfolio to get a public profile.
Answer accessibility questions where you have real expertise and link your profile to your site.
Build a production-grade Camel component for your tool APIs and propose it upstream with generated component docs and tests.
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.
Create an artist or label page, upload your music and link your website.
Join, help with tech support threads and add your site to your profile where allowed.
Create official your tool update/tutorial blog if needed.
Only submit if you build a Bubble-related app/template.
Open-source a relevant geoscience model or component, complete the model questionnaire, and provide its code archive for CSDMS testing.
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.