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.

Apache Superset is a Data Visualization and Data Exploration Platform

Umami is a modern, privacy-focused analytics platform. An open-source alternative to Google Analytics, Mixpanel and Amplitude.

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

OpenObserve is an open-source observability platform for logs, metrics, traces, and frontend monitoring. A cost-effective alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.

Relocate resource intensive third-party scripts off of the main thread and into a web worker. 🎉

🔥 A well-tested feature-rich modular Firebase implementation for React Native. Supports both iOS & Android platforms for all Firebase services.

Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.

🐸 Rybbit - open-source and privacy-friendly alternative to Google Analytics that is 10x more intuitive.

A declarative JavaScript library for application development using cloud services.

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

Open Source Feature Flagging and A/B Testing Platform

OpenPanel is an open-source web and product analytics platform, an open-source alternative to Mixpanel with optional self-hosting.

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

Dashboards and notebooks in a single place. Create powerful and flexible dashboards using code, or build beautiful Notion-like notebooks and share them with your team.

UI components and hooks for building video/audio players on the web. Robust, customizable, and accessible. Modern alternative to JW Player and Video.js.

Tianji: Insight into everything, Website Analytics + Uptime Monitor + Server Status. not only another GA alternatives

The AWS Amplify CLI is a toolchain for simplifying serverless web and mobile development.

The platform for LLM evaluations and AI agent testing

Laminar - open-source observability platform purpose-built for AI agents. YC S24.