Uptime Kuma
A fancy, self-hosted monitoring tool that provides high-visibility service tracking and alerting. It offers a modern alternative to proprietary uptime services with zero recurring costs and total privacy.
Observability
SigNoz
A unified, open-source observability platform native to OpenTelemetry. It combines metrics, logs, and traces in a single pane of glass, offering a high-performance alternative to DataDog.