Uptime Kuma is a self-hosted monitoring tool similar to "Uptime Robot".

Features include:
- Monitoring uptime for HTTP(s), TCP, HTTP(s) keyword, HTTP(s) JSON
  query, ping, DNS record, push, Steam game server, Docker containers
- Fancy, reactive, fast UI/UX
- Notifications via Telegram, Discord, Gotify, Slack, Pushover, email
  (SMTP), and 90+ notification services
- 20-second intervals
- Multi-language support
- Multiple status pages
- Map status pages to specific domains
- Ping chart
- Certificate info
- Proxy support
- 2FA support