Yes, the software it uses is mentioned in the post.
Comment on Introducing lestat.org - Lemmy instance status monitor for all popular instances
julianwgs@discuss.tchncs.de 1 year ago
Cool service! Is the code open source?
poplargrove@lemmy.world 1 year ago
delendum@lemdit.com 1 year ago
Absolutely!
Uptime Kuma Github: github.com/louislam/uptime-kuma
Note that I am not the creator of Uptime Kuma, github.com/louislam gets all the credit there.