Monitoring & Observability

louislam / uptime-kuma

Uptime Kuma is a fancy, easy-to-use self-hosted monitoring tool. It supports monitoring HTTP, TCP, DNS, Docker containers, and more, with notifications via Telegram, Discord, Slack, and 90+ services. Features include multi-language support, status pages, 2FA, and a reactive UI.

netdata / netdata

Netdata is an open-source, real-time infrastructure monitoring platform. Monitor, detect, and act across your entire infrastructure with per-second metrics, ML-powered anomaly detection, zero configuration, and minimal resource usage. Supports Linux, macOS, FreeBSD, and Windows.

grafana / grafana

Open-source observability and visualization platform. Connect Prometheus, Loki, Elasticsearch, InfluxDB, PostgreSQL and more — build dynamic dashboards, set unified alerts with multi-channel notifications, explore metrics and logs in real time, and extend capabilities via a rich plugin ecosystem.

prometheus / prometheus

The Prometheus monitoring system and time series database.

getsentry / sentry

Developer-first error tracking and performance monitoring

henrygd / beszel

Lightweight server monitoring with historical data, docker stats, and alerts.

openobserve / openobserve

Open source observability platform for logs, metrics, traces, frontend monitoring, pipelines and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

influxdata / telegraf

Telegraf is a plugin-driven agent written in Go for collecting, processing, aggregating, and writing metrics, logs, and arbitrary data. With 300+ plugins covering system monitoring, IoT devices, cloud services, and message queues, it compiles to a zero-dependency static binary and uses TOML for simple configuration — ideal for observability pipelines and infrastructure monitoring.