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.
Publish UI/brand case study for your tool.
Create public repo for embed SDK/example package.
Create founder/brand profile linking your tool.
Submit your podcast feed through the Deezer podcasters portal.
Set up a Disqus profile with your website so it shows next to your comments.
Create a researcher profile with your publications and website.
Bookmark useful pages with a comment; popular entries reach Japanese readers.
Submit your podcast RSS feed so it gets a show page.
Licensed attorneys can claim a free profile and link their firm site.
Create profile; share privacy-first tools in relevant communities.
Share what you built with the OpenAI API in the community showcase category and answer questions.
Discuss your Python packaging or tooling project in the relevant category.
Post build updates and tool launches.
Use their podcaster form to submit your show's RSS feed.
Create a functional Framer plugin for accessibility, metadata, responsive-content, or privacy checks and publish it with your tool documentation.
Publish a real .NET library or CLI package with ProjectUrl, readme, repository and license metadata.
Build a Pipedrive OAuth integration for safe note export, duplicate cleanup, or PII auditing and submit your unique listing.
Publish your Dart package with homepage, repository, issue tracker, documentation and a complete readme.
Build a public RingCentral integration around call-note privacy or safe file sharing and complete the profile with your tool documentation, privacy, and support links.
Upload an original conference-quality PDF deck explaining privacy-safe tooling or accessibility testing, with a useful description, correct category, references, and an honest profile link.
Enter a relevant live hackathon with your working project, complete its story and demo, and include the project website where allowed.
Create software vendor listing.
Post how to embed your tool calculators in Ghost after /embed live.
Create your truthful /founder profile or content page and add the website link where allowed.
Claim or add your legal business, complete its description and logo, and include the verified website link.
Search for your tool; submit an accurate profile update or request research coverage with authoritative company data and website.
Submit B2B software listing.
Create startup profile if hiring/startup positioning.
Set up a creator account and add your website and socials.
Complete your developer profile, including a link to your site or portfolio.
Set up a profile with your site link and post short updates.
Find your author page and claim it so you can add your homepage and fix your paper list.
Check whether your company has a profile and submit corrections so it shows your real site and details.
Create account, wait cooldown if new, submit your tool as platform alternative.
Complete the current CAIQ or AI-CAIQ truthfully and submit your tool real cloud service to the STAR Registry.
List your stable API with OpenAPI definitions, clear endpoints, health checks and its official website in the permitted listing field.
Create a tested Ansible collection for supported your tool deployment or audit automation, complete galaxy.yml, version it, and publish with a Galaxy token.
Submit your real podcast RSS feed whose show website and episode notes naturally reference relevant tools.
Submit your genuine podcast RSS feed or Apple Podcasts URL with accurate show-website and episode metadata.
Publish a maintained Terraform provider for your tool stable API, or a genuinely reusable deployment module, with signed releases, generated documentation, examples, tests, and semantic versions.
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.