users.rust-lang.org
In short: Getting listed on Rust Users Forum is free. Plan for about 10 minutes — it is a form plus links and assets you already have.
What they ask for: Share your Rust crate or tool in the announcements category.
Share your Rust crate or tool in the announcements category.
Off-topic or commercial spam is removed.
Open the submission page on users.rust-lang.org and complete its form — that is the "Open submit page" link at the top of this page.
Off-topic or commercial spam is removed.
Priority sets the band — this one is later. Cost (free) and effort (quick) move it within that band, which puts it in the long tail tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.