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Open Source Feature Flags, Experimentation, and Product Analytics

A collection of libraries to optimise AI model performances

Fathom Lite. Simple, privacy-focused website analytics. Built with Golang & Preact.

⚡ A Simple, Speedy, Secure, and Serverless Link Shortener with Analytics, Running Entirely on Cloudflare.

The leader in Customer Data Infrastructure

Business intelligence as code: build fast, interactive data visualizations in SQL and markdown

Firebase SDK for Apple App Development

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

🦄 Sourcerer app makes a visual profile from your GitHub and git repositories.

A Python based monitoring and tracking tool for Plex Media Server.

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

Easy web analytics. No tracking of personal data.

Countly is a privacy-first, AI-powered analytics and engagement platform for understanding and optimizing customer journeys across digital applications, from desktop and mobile to IoT and connected environments.

:aerial_tramway: A modern, powerful, and robust URL shortener

Open-Source Unified Vulnerability Management, DevSecOps & ASPM

Graph database optimized for fast analysis and real-time data processing. It is provided as an extension to PostgreSQL.

Self-hosted, Node.js based analytics tool for those who care about privacy.

Simple, powerful, first-party analytics for Rails

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

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.

Preswald is a WASM packager for Python-based interactive data apps: bundle full complex data workflows, particularly visualizations, into single files, runnable completely in-browser, using Pyodide, DuckDB, Pandas, and Plotly, Matplotlib, etc. Build dashboards, reports, and notebooks that run offline, load fast, and share like a document.

Open-source reporting platform to build and share live dashboards from APIs, SQL and NoSQL databases, with powerful AI assistant, scheduling, and embeddable charts 📈📊

Maestro: Netflix’s Workflow Orchestrator

Slice and dice logs on the command line

The platform for LLM evaluations and AI agent testing

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

Modern, privacy-friendly, and detailed web analytics that works without cookies or JS.

SQL reporting that Just Works. Fast, simple, and confusion-free. Write and share queries in a delightful SQL editor, with AI assistance.

High-performance time-series aggregation for PostgreSQL

Lightweight analytics abstraction layer for tracking page views, custom events, & identifying visitors