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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.
Register a real founder or engineer profile and publish an original code-backed tutorial on privacy-safe browser tooling, mentioning your tool only where it is part of the implementation.
Submit a substantial implementation article with code samples for a local privacy or document-processing technique used in your tool.
Publish #showdev article about client-side privacy tools.
Submit AI privacy/redaction or prompt-safety tools.
Create seller profile and list product if eligible.
Write an original technical article about a broadly useful browser-security, privacy, or accessibility technique and cite your tool only when it is a necessary working example.
Publish a detailed build or usage tutorial around your original workflow, with the relevant tool link only where it helps readers.
Build and upload your useful IntelliJ-platform plugin with vendor, license, source, support and compatibility links.
Publish a small original demo showing one your tool privacy or accessibility technique, then share its encoded URL or deploy the project to a controlled GitHub Pages site.
Publish original your tool privacy, safety, or accessibility micro-animations as a coherent creator collection, with a contextual project link where the profile permits it.
Publish your real webinar, demo or workshop with a contextual canonical link in its event details.
Publish polished public your tool demos and use their share links in genuine tutorials or reproducible examples.
Write an original Japanese developer tutorial or benchmark that uses your tool and cite the relevant tool or source only where it helps readers.
Publish your focused open demo or developer utility and link its canonical your tool page from the app and project description.
Apply with an original class outline and teaching sample for privacy-safe design, accessibility, or a practical productivity workflow, then build the class project and lessons if approved.
Publish your original research, privacy or accessibility deck with useful citations and contextual links.
Create company page and publish case-study posts.
Create your publication or original Japanese engineering article with reproducible examples and contextual links to source or documentation.
Build your working automation Actor, publish it to the Store and include contextual project/documentation links.
Curate a tagged public collection of authoritative privacy, accessibility, and safety resources with your tool included only where substantively relevant.
Enter a relevant live hackathon with your working project, complete its story and demo, and include the project website where allowed.
Create startup profile and link website.
Create your truthful /founder profile or content page and add the website link where allowed.
Create software vendor listing.
Post how to embed your tool calculators in Ghost after /embed live.
Mirror open-source embed SDK or examples with homepage link.
Create your truthful /founder profile or content page and add the website link where allowed.
Create business profile only if eligible with real business details.
Create brand/founder profile with verified links.
Create your truthful /founder profile or content page and add the website link where allowed.
Publish a genuine browser or desktop your tool utility with screenshots, documentation and an official-site link.
Create a truthful scholarly profile and deposit an original privacy, accessibility, or digital-humanities paper or teaching resource with its related your tool URL.
Create your project team, connect verified project accounts, and describe the official website and repository contextually.
Claim or add your legal business, complete its description and logo, and include the verified website link.
If the founder contributes to research or innovation, create an ORCID record and add your tool under public website and relevant work links.
Sign up, find or add your company and claim the profile to edit the description and website.
Create your truthful /founder profile or content page and add the website link where allowed.
An eligible active researcher can publish genuine your tool studies, code or datasets and add the official website where appropriate.
Publish an original educational 3D asset connected to your real tutorial, with accurate credits and a contextual project link in the description.
Create your truthful /founder profile or content page and add the website link where allowed.
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.