♞ lichess.org: the forever free, adless and open source chess server ♞
Uptime: 1 week. Last release on scala 2.11 and Play 2.4.
:sparkles: First release of lichess stable :sparkles:
It ran 9 days without a restart. No measurable memory leak. About 8 million games were played during this time lapse. That's roughly 480 million moves.
Known defect: Kamon stopped sending monitoring data after a DDoS.