Apm GitHub Repositories (2026) · Open Source Tools

Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

Ultra-lightweight error tracking server compatible with Sentry SDKs

Coroot is an open-source observability and APM tool with AI-powered Root Cause Analysis. It combines metrics, logs, traces, continuous profiling, and SLO-based alerting with predefined dashboards and inspections.

Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.

Parseable is an open source, unified infrastructure observability platform built in Rust on a data lake architecture. It tracks logs, metrics, traces, and events across apps, agents, and systems, reducing storage costs by up to 90% through columnar telemetry compression.

Measure helps mobile teams monitor and fix crashes, ANRs, bugs, and performance issues. The open source alternative to Firebase Crashlytics.

APM, Application Performance Monitoring System

APM, (Application Performance Management) tool for large-scale distributed systems.

JavaMelody : monitoring of JavaEE applications

Open source APM: OpenTelemetry traces, metrics, and logs

Self-hosted Laravel monitoring agent. Drop-in Nightwatch alternative, open-source.

Web UI for Jaeger

The Java agent for Apache SkyWalking

Automatic compile-time instrumentation of Go code

.NET Client Library for Datadog APM

Datadog APM client for Java

The Golang auto-instrument Agent for Apache SkyWalking, which provides the native tracing/metrics/logging abilities for Golang projects.

An observability database aims to ingest, analyze and store Metrics, Tracing and Logging data.

🟥 AppSignal for Ruby gem

eBPF-driven APM and diagnostic tool for Kubernetes applications 🐝