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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 tool-of-the-week newsletter linking your tool.
Create support profile with your tool link.
Upload a useful PDF, such as a checklist or guide, and set it to public with your site referenced inside.
Share selected UI shots/tool pages with profile link.
List your UK business, add services and invite customers to leave reviews.
Offer free your tool cheatsheet/template linking site.
Create a freelancer profile with portfolio samples.
Make a profile on the HTB platform and add your website.
Tool demos/reels with bio link.
Create a Later account and build a link-in-bio page that points to your site.
Build one your tool profile with a short description and curated links to the most useful tool pages.
Create public resource hub: best free tools by use case.
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.
Create your business page with concise brand details and links to the homepage, popular tools and socials.
Create your tool updates newsletter with homepage link.
Short demos of suspicious/privacy tools.
Create a public profile and link your site or security blog.
Publish dev utility extension linking your tool docs.
Make a VSCO profile and link your site in the bio.
Claim your tool’s genuine operating location only if the business is eligible, then add accurate website and contact information.
Pitch lifetime/free deal if your tool has paid tier later.
Submit product-launch press release if newsworthy.
List your startup for sale or acquisition interest with verified metrics.
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.
Share useful small-business/tool article.
Publish a useful ebook through Draft2Digital to major stores and include your website in the book and author page.
Create page and share in relevant groups if allowed.
Register a free basic entry for your German business, ideally with a German-language description.
Share growth/SEO/tool story with useful details.
Create a pro profile with project photos and your website, if you work in home or design services.
Sign up as a seller, add your company profile and list your products or services.
Create support page linking your tool.
Publish an ebook through Kobo's self-publishing service and mention your website in the book.
Publish a print or ebook guide on Lulu and add your website to the book description and author profile.
Manufacturers can create a supplier showroom with company details and products.
Publish Edge version of extension.
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.