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.

Umami is a modern, privacy-focused alternative to Google Analytics.

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

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

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

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

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

All the goodies from both Mixpanel and Plausible combined into one tool.

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.

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

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

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

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

The modern replacement for Jupyter Notebooks

Datart is a next generation Data Visualization Open Platform

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

Analysis, Comparison, Trends, Rankings of Open Source Software, you can also get insight from more than 7 billion with natural language (powered by OpenAI). Follow us on Twitter: https://twitter.com/ossinsight

The open LLM Ops platform - Traces, Analytics, Evaluations, Datasets and Prompt Optimization ✨