langfuse/langfuse
🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
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🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
DuckDB is a high-performance analytical database system
TraceRoot - Open Source AI Agent Improvement Platform. YC S25
Umami is a privacy-first web and product analytics platform. Traffic, campaigns, behavior, conversions, and revenue in one place. No cookies, no surveillance, self-hosted or in the cloud.
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.
ClickHouse® is a real-time analytics database management system
:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.
Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.
The easy-to-use open source Business Intelligence and Embedded Analytics tool that lets everyone work with data 📊
Apache Superset is a Data Visualization and Data Exploration Platform
Open-Source Unified Vulnerability Management, DevSecOps & ASPM
Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly performant alternative to Datadog, Splunk, and Elasticsearch with 140x lower storage costs and single binary deployment.
A time-series database for high-performance real-time analytics packaged as a Postgres extension
Easy web analytics. No tracking of personal data.
OpenPanel is an open-source web and product analytics platform, an open-source alternative to Mixpanel with optional self-hosting.
📊 Cube Core is open-source semantic layer for AI, BI and embedded analytics
Session replay, cobrowsing and product analytics you can self-host. Best for reproducing issues and iterating on your product.
📈 A small, fast chart for time series, lines, areas, ohlc & bars
Metering and Billing for AI, API and DevOps. Collect and aggregate millions of usage events in real-time and enable usage-based billing.
dbt enables data analysts and engineers to transform their data using the same practices that software engineers use to build applications.
The best free and open-source automated time tracker. Cross-platform, extensible, privacy-focused.
One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
Laminar - open-source observability platform purpose-built for AI agents. YC S24.
A powerful, privacy-friendly open source web analytics tool that runs entirely on Cloudflare.
An orchestration platform for the development, production, and observation of data assets.
🐸 Rybbit - open-source and privacy-friendly alternative to Google Analytics that is 10x more intuitive.
AI-native open-source alternative to Vercel + Sentry + PostHog + Pingdom + Resend + E2B. 440+ CLI operations with drop-in skills for Claude Code, Codex & OpenCode — deployments, analytics, session replay, error tracking, OpenTelemetry, email, sandboxes & AI gateway in one self-hosted Rust binary.
🔎 Open source distributed and RESTful search engine.
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
👾 nao is an open source analytics agent. (1) Create context with nao-core cli, (2) deploy nao chat interface for everyone
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