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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.
Make a game during a Ludum Dare event and publish your entry page with a playable web build link.
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.
If you build a Mailchimp integration, apply to have it listed in their directory.
Use the free plan to publish a public newsletter archive or landing page that links to your site.
Apply to become an author and write practical SQL Server or Azure data tips in their standard format.
Create a free static site you code yourself, add genuine content, and link to your projects.
Apply to the expert contributor network with your background in networking or infrastructure and a list of article ideas.
Submit legitimate launch/news release.
Claim your French business listing through their pro section and add your site.
Register your Spanish business for a free basic listing.
Add or update your Italian business entry with a website link.
Start a free newsletter or blog and publish useful posts that link to your site.
Send an article proposal on a PHP topic you know well; accepted authors write for the monthly magazine.
Package your open-source tool in their portable format and propose it in the development forum.
Design a portfolio or project page and link out to your site.
Publish your OpenAPI reference docs with Redocly and link back to your product and signup.
Deploy a free static docs or demo site from a Git repository and link it to your project.
Host your podcast and add your website to show notes and the podcast profile page.
Contact the editors with an article proposal on SQL Server, databases, DevOps or .NET development.
Submit high-quality website design.
Claim or request a product listing in the right software category.
Pitch your tool as innovation/useful web tool platform.
Register and submit a technical article on SQL Server or data platform work for editorial review.
Pitch founder story if revenue/traffic story is strong.
Create startup profile if submissions open.
Submit your startup story with founding background, product and traction details.
Submit an article proposal on testing, QA or agile delivery to the editors through the site.
Design your API and publish public docs with a link to your product.
Publish a static demo or docs site from the command line and link to your main project.
Publish your OpenAPI definition publicly on SwaggerHub with a link to your product docs.
Email funding or acquisition news with key facts and a press kit.
Register as a vendor to list your software for Indian business buyers.
Create a company profile and gather verified client reviews for your dev or IT services.
If your tool helps nonprofits or libraries, reach out about their resource articles or partner programme.
Register your North American manufacturing or industrial company for a free supplier profile.
Create a pro profile for your service business; useful mainly if you sell local services.
Once invited, share thoughtful posts and only link your own work when it fits a discussion.
Open a store for your hardware project and link your site in the store profile.
Software or app development firms can request a company profile.
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.