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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 a freelancer profile with portfolio samples.
Make a profile on the HTB platform and add your website.
Tool demos/reels with bio link.
Publish a digital magazine, report or brochure and link to your site from the listing.
Create a Later account and build a link-in-bio page that points to your site.
Create a public list of resources in your niche that includes your own pages among genuinely useful ones.
Build one your tool profile with a short description and curated links to the most useful tool pages.
Build Make app/integration for workflows.
Create public resource hub: best free tools by use case.
Design an infographic with your own data and publish a public link that points back to your site.
Create a presentation about your product or research and share it publicly with a link to your site.
Create company profile and publish real news release.
Publish a public Prezi about your topic or product and add your website in the description.
If you sell in Australia, request a listing and respond to customer reviews.
Create a musician or band profile and link your official site.
Build a small free site on a SITE123 subdomain with useful content and a link to your main site.
Create your tool updates newsletter with homepage link.
Short demos of suspicious/privacy tools.
Build a free one-page site on a Tilda subdomain with real content and a link to your main site.
Create a public profile and link your site or security blog.
Create an infographic or presentation and publish it to the web with a link to your site.
Publish dev utility extension linking your tool docs.
Make a VSCO profile and link your site in the bio.
Create a free Webnode site with real content, such as a project page, and link to your main site.
Create official tutorials/mirror with links.
Claim your tool’s genuine operating location only if the business is eligible, then add accurate website and contact information.
Set up a free Yola site and publish a few useful pages that link back to your site.
Build Zapier integration if your tool exposes API/workflows.
Submit product-launch press release if newsworthy.
If you target China, submit your project through their startup coverage request with Chinese-language materials.
Host a podcast on the free tier and link to your site from the show page and episode notes.
Join as a service pro if you offer home or local services in the US.
Create your free Bio Site and organize homepage, tool-category and social links for real visitors.
Send a tip about a quirky web toy or creative project with one clear link; editors choose what to write up.
Make mini landing page for your tool categories linking home/tools.
Add or claim your tool only if it has a genuine US business presence, then verify the website and business details.
Deploy a static docs, demo or changelog site to a pages.dev subdomain and link it to your product.
If you have real security leadership experience, apply to the expert contributor network and propose recurring topics.
Add or correct your German business entry with consistent address and phone.
Publish a chart from your own data and add your site as the source link.
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.