Alternatives to PostHog

Warehouse-native A/B testing and feature flags, now Datadog Experiments. Run self-service experiments on your data warehouse with trusted

Cookie-free, GDPR-compliant web analytics with real-time data, session replays, and a Google Search Console dashboard.

Behavior analytics with heatmaps, session replays, and AI summaries for conversion insights.

Unified experimentation, feature flags, and analytics—now in the Amplitude family.

Free open-source AI usage tracking & analytics for developers

Open-source LLM agent observability with tracing, evals, and experiments

Open-source observability and evaluation for AI agents.

Open-source LLM observability that traces, evaluates, and manages prompts from prototype to production.

Open-source OpenTelemetry LLM observability for Python devs

Open-source OpenTelemetry-native framework for evaluating and tracing AI agents

Open source AI engineering platform for building, debugging, and monitoring agents, LLMs, and ML models.

Open-source AI observability with privacy-preserving logging and LLM security toolkit

Open-source workspace to build, evaluate, and deploy AI agents

Open-source framework for systematic LLM evaluation replacing vibe checks

Open-source AI evaluation and observability for LLMs, RAG, agents, and ML models.

Open-source AI observability and evals for the agentic era

Open-source LLM and VLM evaluation platform for standardized benchmarking

Free open-source widget tracking tokens, cost, and limits across 28+ AI coding tools.

Open-source LLM engineering platform for observability, prompt management, and evaluation—self-hostable or cloud.

Autonomous AI agents that watch session replays and fix bugs for you

Event autocapture product analytics and no-code in-app engagement for SaaS growth teams.

AI operating system for ecommerce that unifies data, automates ads, and measures ROI.

OpenTelemetry-native observability with autonomous AI SRE Agent0, plus AI Coding Insights to monitor coding agents in production.

Enterprise AI quality platform unifying LLM evaluation, observability, red teaming, and governance.

Lightweight, privacy-first web analytics that keeps your site fast

Collaborative LLM dev platform for building, testing, and monitoring AI features.

AI-powered product analytics for user behavior insights and real-time decision making.

Real-time experiment tracking for frontier AI model training, now owned by OpenAI

AI-powered behavioral analytics to capture, understand, and act on user behavior in real time.

Product analytics, in-app guidance, and AI agent adoption for enterprise teams that need to measure and drive usage.