343 free backlink sites where one short form gets you listed: no fee, no long review, no article to write. Sorted by estimated authority, so the strongest are at the top. A good afternoon's work for a new site.
Add or claim your business entry and link your website.
Submit your open-source Android library with its repository link.
Submit a link to an Android article, library or tool through the site.
Register a username and add your website to the page.
Add your blog with its RSS feed and pick a category.
Submit your site if it follows a raw, brutalist style.
Create your profile and add genuinely useful homepage, privacy-tool and accessibility-tool links.
Add your repository so contributors can subscribe to help triage its issues.
Claim/add business profile if eligible.
Announce your Elixir library or project in the libraries category.
Create a creator profile, share useful prompts or bots and add your website to your bio.
Reply to an issue or contact the editor with a link to a useful Go article or library you made.
Port your functional desktop or CLI utility to Haiku, write and test a compliant recipe, then submit a feature-branch pull request to HaikuPorts.
Use the newsletter's link submission option to suggest a useful iOS or Swift article or tool.
Claim your published papers, add plain-language summaries and link related resources.
Write a technical article or answer forum threads, and link your site in your profile.
Add or claim your Canadian business profile and fill in your services and website.
Send the editor a link to a strong Node.js article, package or release.
Join an instance, add your website to your bio and share original images.
Add your RSS feed so apps built on the index can find your show.
Submit a link to a strong Python article, tutorial or open-source project you published.
Add your React Native library through a pull request to their GitHub repo.
Send the editor a link to a useful Ruby or Rails article, gem or tool.
Create your truthful /founder profile or content page and add the website link where allowed.
Open a pull request on the newsletter's GitHub repository to add your Rust blog post or project.
Add a project file to their GitHub repo pointing at your beginner-friendly issue label.
Deploy your maintained MCP server from GitHub, Docker, npm, or PyPI, verify maintainer ownership, and switch it public only after production testing.
Publish a genuine hosted, external, or stdio MCP server exposing a small set of consent-based your tool utilities with complete metadata and documentation.
Build and test your useful piece with real actions, publish the package under a unique organization scope, and maintain version compatibility.
Build a privacy-safe macOS Alfred workflow that opens or runs useful your tool actions, publish it on the forum, gather feedback, and seek Gallery inclusion.
When your tool exposes a stable public API, host an official OpenAPI definition at a permanent URL and submit it with accurate ownership, category, logo, and metadata.
Create the founder developer profile, add your tool as a real project, and link the live product and supporting repository where applicable.
Build a Singer SDK tap that incrementally extracts your tool audit runs and findings, then add it through MeltanoHub's official issue-assisted or self-service contribution path.
Implement a scoped open-source compliance or security-assurance program, self-certify honestly, then request your tool Community of Conformance listing.
Publish an open-source Sensu check/handler for your tool, create GitHub releases and bonsai.yml, then register it with description and tags.
Create a genuine founder profile and share a useful build story or tutorial with a relevant link.
Package your legitimate desktop app as an official AppImage, then file the requested issue or pull request for inclusion.
Create a tested CapRover one-click definition for your real self-hosted service and contribute it to the linked official community repository.
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.
Use the same name, description and logo everywhere. Consistent details help search engines connect the listings to your brand.
Keep a simple sheet of where you submitted and when, so you can update listings later.
Free and quick does not mean low value: many of these are profiles on large platforms.