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PostHog is an open source product analytics platform combining event tracking, session replay, feature flags, A/B testing, and surveys in one self-hosted deployment. MIT licensed; self-host free or use PostHog Cloud.
It is a free, open-source video conferencing solution for web and mobile, offering secure, flexible, and feature-rich communication capabilities.
Supabase is an open source Firebase alternative built on PostgreSQL, giving teams a full backend with auth, storage, real-time subscriptions, and auto-generated APIs. Apache 2.0 licensed; self-host with Docker Compose.
Simple end-to-end testing for Mobile and Web apps, offering a visual IDE, AI assistance, and cloud infrastructure for scalable testing.
An open-source feature flag and A/B testing platform for releasing code better and measuring impact with your own data.
Open-source observability tool with APM, logs, traces, metrics, exceptions, and alerts powered by OpenTelemetry for comprehensive insights.
PostHog is an open source product analytics platform that replaces Mixpanel, Amplitude, and multiple separate tools with a single self-hosted suite covering event analytics, session replay, feature flags, A/B experiments, and user surveys.
Mixpanel and Amplitude charge per monthly tracked user, often costing $833 or more per month at 100,000 users on standard plans. Beyond cost, every event your users trigger flows through their servers, creating data processing agreements and GDPR obligations that require dedicated legal work. Teams managing five separate tools (analytics, session replay, feature flags, experiments, surveys) spend time synchronizing user data across platforms that were never designed to work together.
PostHog runs on your own server via Docker, so user events never leave your infrastructure. A single SDK captures events that flow into one dataset used across analytics, session replay, feature flags, and experiments. Because the data model is unified, cohorts defined in analytics carry directly into feature flag targeting without export or sync. MIT licensed; the full feature set is available in the open source edition.
PostHog is best for product and engineering teams at startups and growth-stage companies who need Mixpanel-level analytics without sending user behavior data to a third-party server. It fits teams in regulated industries handling sensitive user data, or those who want to consolidate five separate SaaS tools into one self-hosted platform.
Unlike Mixpanel, PostHog charges no per-user fee when self-hosted and combines analytics, session replay, and feature flags in one platform with a shared user dataset, so you stop paying for integrations between tools that should have been built together.
