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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.
Use the free listing path for your tool; evaluate paid multi-directory service separately.
List your tool as productivity/developer/startup resource.
Submit a corporate membership enquiry with accurate your tool cybersecurity/privacy activities and India entity details.
Create a public Tool Trust Notes newsletter site with original privacy, accessibility, founder, and engineering field reports, using your tool links only where they directly support each issue.
Submit a specific working AI-powered your tool utility, then claim the approved listing with a domain email to maintain features and pricing.
Ask SelectHub to create or claim your profile and provide product capabilities, pricing, case studies, and customer proof.
Apply through the official Linux Foundation enrollment if your tool will genuinely implement or contribute to C2PA standards.
Apply as an eligible Indian software or ITeS exporter with company, GST, IEC/DGFT and RCMC evidence as requested.
Propose a concrete funded or in-kind your tool anti-scam, privacy or cyber-safety collaboration through Become a Partner.
Build a Nova extension that runs your tool privacy and code-safety checks from the editor.
Build a Sketch plugin for accessibility, metadata cleanup, or sensitive-placeholder detection.
Build a destination or function that sends only explicitly selected and sanitized events to your tool for PII or schema checks.
Join as the founder, create one your tool project page, and share genuine shipped improvements with links only when useful.
Submit your public API with docs link, SDKs and authentication details.
Build your working automation Actor, publish it to the Store and include contextual project/documentation links.
Package your legitimate desktop app as an official AppImage, then file the requested issue or pull request for inclusion.
If your property genuinely uses Astro, use the Submit site action to propose it for the public showcase.
Submit only after public privacy policy and client-side privacy proof.
Suggest your JavaScript or TypeScript project through their GitHub issue process.
Curate a tagged public collection of authoritative privacy, accessibility, and safety resources with your tool included only where substantively relevant.
Register your genuinely life-science-focused resource with stable homepage, scientific operations, inputs, outputs, licence, and documentation.
Build your useful Budibase component or data-source plugin, publish the package or repository, and seek inclusion in community plugin resources.
Create a tested CapRover one-click definition for your real self-hosted service and contribute it to the linked official community repository.
Create a vendor account and list your tool software offering.
Create a tested Chef cookbook for supported your tool deployment or hardening, add complete metadata and source, then share it to Supermarket.
Release a genuine Clojure or JVM client library with a POM, description, homepage and source metadata.
Create your public package repository for genuine releases and complete its namespace, description, licence and source/homepage metadata.
Publish a genuine iOS or macOS your tool SDK and set homepage/source URLs in its podspec.
Build a genuine CWL validator, security tool, or implementation and propose its inclusion with compliance evidence.
Create a real developer profile, publish your original engineering tutorial or project, and join only relevant privacy or developer communities.
Build a functional Contao bundle for your site-audit use case, publish tagged releases on Packagist with contao-bundle and manager-plugin metadata, and let the official index discover it.
Publish a genuine Perl module or CLI through PAUSE with project URLs and clear distribution documentation.
Submit relevant your tool utilities under AI, web, or developer categories.
Share Cursor rules or list your MCP server, linking back to your project.
Submit your site if it has a polished dark design.
Build a genuine free challenge solution, publish the deployed project and repository, and use the finished privacy or accessibility implementation as a portfolio case study.
Enter a relevant live hackathon with your working project, complete its story and demo, and include the project website where allowed.
After releasing a genuinely Django-relevant open-source component, sign in and add its GitHub or GitLab repository and accurate project links.
Build an ESP-IDF privacy, credential-safety, secure-logging, or local-processing component, add manifest, license, docs, examples, and publish it through the registry workflow.
List your registered business as an eligible IT supplier and complete its public company profile and website field.
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.