Sentry

Sentry-API-compatible error tracking, but MIT-licensed and lighter. Drop-in for Sentry SDKs.

MIT · Python / Django · ★ 1200 · Fresh

Open-source Datadog alternative that correlates logs, metrics, traces, and session replays in one UI.

MIT (community) / commercial (cloud) · TypeScript / Node.js · ★ 7500 · Fresh

Shortlist