Who runs this
xopen is maintained by one person, not a company or a sponsored listing service. Nobody pays to be listed, and no entry has ever been sold. If that ever changes, it will be stated on this page before it happens.
How this is made
What gets in, and why.
A directory is only worth as much as its editorial judgement. So here is the whole policy: what qualifies, what gets pulled, how often things are re-checked, and where xopen has a stake.
What qualifies
An entry has to be genuinely useful, actively maintained, and open in a way that matters — an open licence, an open protocol, or open data. It also has to be something a real person would reach for while building. Popularity alone is not enough, and neither is having “open” in the name.
What gets pulled
Every link in the directory is re-checked automatically every 3 days. An entry that stays unreachable for three consecutive checks is hidden, and comes back on its own if the project returns. Projects that go closed-source, get abandoned, or turn out to be misleading are removed by hand.
How it stays current
A crawler reads public sources — GitHub and Hacker News — every 3 days. Only projects with real traction (800+ stars and a reachable homepage) are published into the directory unattended; everything else lands on the public Radar strip, clearly labelled as raw and unreviewed, and only moves up after a human look.
Disclosure
OpenClaw is an xopen project. It is marked with a by xopen badge wherever it appears, so you can weigh it accordingly. Everything else in the directory is independent, and no listing is paid.
Corrections and suggestions
Something wrong, missing, or out of date? Say so on the guestbook, send it through feedback, or email [email protected]. Corrections get priority over additions.