backstage.io
In short: Getting listed on Backstage Plugin Directory is free. Plan for about 45 minutes — there is material to prepare and a review to wait on.
What they ask for: Build and openly maintain a Backstage plugin that gives platform teams your real workflow, then announce it through the community-plugins process and meet directory metadata requirements.
Build and openly maintain a Backstage plugin that gives platform teams your real workflow, then announce it through the community-plugins process and meet directory metadata requirements.
The plugin must solve a genuine developer-platform problem and follow Backstage's frontend/backend systems, design guidance, repository rules, testing, review, licensing, and release process. Create the recommended community issue before contributing; avoid a promotional shell.
Open the submission page on backstage.io and complete its form — that is the "Open submit page" link at the top of this page.
The plugin must solve a genuine developer-platform problem and follow Backstage's frontend/backend systems, design guidance, repository rules, testing, review, licensing, and release process. Create the recommended community issue before contributing; avoid a promotional shell.
Priority sets the band — this one is medium. Cost (free) and effort (moderate) move it within that band, which puts it in the useful tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.