registry.platformio.org
In short: Getting listed on PlatformIO Registry is free. Plan for about 10 minutes — it is a form plus links and assets you already have.
What they ask for: Package a real embedded privacy or security library for supported boards, add complete PlatformIO manifest and examples, test it, and publish it publicly.
Package a real embedded privacy or security library for supported boards, add complete PlatformIO manifest and examples, test it, and publish it publicly.
Published name-version pairs are immutable; package must be functional, properly licensed, documented, versioned, and maintained.
Open the submission page on registry.platformio.org and complete its form — that is the "Open submit page" link at the top of this page.
Published name-version pairs are immutable; package must be functional, properly licensed, documented, versioned, and maintained.
Priority sets the band — this one is high. Cost (free) and effort (quick) move it within that band, which puts it in the high impact tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.