ab-testing

: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 Feature Flags, Experimentation, and Product Analytics

Progressive delivery Kubernetes operator (Canary, A/B Testing and Blue/Green deployments)

:chart_with_upwards_trend: The Rack Based A/B testing framework

A multi-platform desktop application to evaluate and compare LLM models, written in Rust and React.

Rank images using TrueSkill by comparing them against each other in the browser. 🖼📊

LLM orchestration toolkit for agent workflows: planner + workers + synthesis, optional router (LLM + learned fallback), supports OpenAI/Anthropic/Ollama/llama.cpp, real scraping with caching, MCP server integration, and a TUI chat UI.