The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.

SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open source Application Performance Monitoring (APM) & Observability tool

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

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

highlight.io: The open source, full-stack monitoring platform. Error monitoring, session replay, logging, distributed tracing, and more.

🏓 The open-source synthetic monitoring platform 🏓

Lightweight network IP scanner. Can be used to notify about new hosts and monitor host online/offline history

OneUptime is the complete open-source observability platform.

🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓

A delightful way to building a RESTful API with NodeJs & TypeScript by @w3tecch

A Manageable, Measurable and Traceable Node.js Application Manager represented by Alibaba powered by TypeScript

OpenTelemetry JavaScript Client

A simple, modern server dashboard, primarily used by smaller private servers

🕹️ Open-source, developer-first LLMOps platform designed to streamline prompt design, version management, instant delivery, collaboration, troubleshooting, observability and more.

Alert dashboard for Prometheus Alertmanager

Laminar - open-source all-in-one platform for engineering AI products. Create data flywheel for your AI app. Traces, Evals, Datasets, Labels. YC S24.

Zabbix plugin for Grafana dashboard

Metlo is an open-source API security platform.

🕵️‍♀️ Validate schema, get schema change notifications, validate operations, find breaking changes, look for similar types, schema coverage

Open source monitoring and visualization UI for the TICK stack