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SigNoz is an open-source, OpenTelemetry-native observability platform for your team and their AI agents. Get logs, metrics, and traces in one tool with features like APM, distributed tracing, log management, infra monitoring, etc. Combined with SigNoz MCP and a native AI teammate (in SigNoz Cloud) it helps you build more resilient apps.
APM, (Application Performance Management) tool for large-scale distributed systems.
eBPF Observability - Distributed Tracing and Profiling
Observe any stack, any service and any data, using any UI components you prefer, never missing any X factors and resolve them before they become real problems.
High performance Java APM. Powered by ASM. Try it. Test it. If you feel its better, use it.
Scouter is an open source APM (Application Performance Management) tool.
The .NET/.NET Core instrument agent for Apache SkyWalking
Open source monitoring and visualization UI for the TICK stack
DataBuff is an AI-native APM built on Opentelemetry,with multi-agent troubleshooting out of the box.
inspectIT Ocelot - Java agent for collecting application performance, tracing and behavior data
Unified observability for logs, metrics and traces — low overhead instrumentation (Rust, Unreal Engine 5), OTLP ingestion, SQL analytics on DataFusion over Parquet, presentation through notebooks, Grafana and Python. Self-hosted.
Self-hosted observability platform — error tracking, performance tracing, metrics, uptime monitoring, and profiling.
Always-on request tracing for PHP. Every request recorded — time, SQL fingerprints, outbound HTTP, errors, N+1 — by a C extension plus a single-binary Go collector. Runs on shared hosting, no root needed. Apache-2.0.