Uptime kotlin icon
Uptime kotlin icon

Uptime kotlin

Self-hosted uptime monitoring for websites, APIs, databases and message brokers, with public status pages and multi-channel alerts.

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Cost / License

  • Free
  • Open Source (MIT)

Application type

Platforms

  • Self-Hosted
  • Docker  Requires PostgreSQL. Native images for amd64 and arm64.
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Network & Admin

GitHub repository

  •  23 Stars
  •  1 Forks
  •  2 Open Issues
  •   Updated  
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What is Uptime kotlin?

Uptime Kotlin is an open-source (MIT), self-hosted uptime monitoring tool. It monitors HTTP/HTTPS (multi-step checks, assertions, TLS expiry), TCP, DNS, ping, PostgreSQL, MySQL/MariaDB, SQL Server, Redis, SMTP, Kafka and RabbitMQ.

Features: multiple public status pages, maintenance windows, alert resending while a monitor stays down, and notifications via Email, Slack, Discord, Teams, Telegram, ntfy, Gotify and Webhook.

It runs as a single native Docker image (amd64 and ARM64) alongside PostgreSQL, with an optional worker mode to scale checks horizontally. Built with Kotlin + Quarkus (GraalVM native) and React.

Latest release v1.4.0 adds Telegram, ntfy and Gotify notifications, multiple status pages, per-monitor timeouts and master key rotation.

Docker image: ghcr.io/theomeunier/uptime-kotlin:latest