Open source

Uptime Kuma

Uptime monitoring and status pages from one container, with no monitor quota and no per-check billing.

louislam/uptime-kuma · ★ 90,062 · last commit 0d ago · MIT · needs 512 MB RAM · runs on ARM (Pi-friendly)
Uptime Kuma running from the boot-verified compose file
Uptime Kuma, running from the compose file on this page — screenshot from our verified instance, not marketing material.

One tool, 3 subscriptions

The same server can serve several escape hatches — that's how a $5 VPS beats a $50 SaaS bill.

PingdomYES
$18/mo · breaks even in 0.3 mo
Uptime.comYES
$7/mo · breaks even in 1.1 mo
UptimeRobotYES
$10/mo · breaks even in 1.5 mo