stats/README.md

Openpanel

An open-source alternative to Mixpanel

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Openpanel is an open-source web and product analytics platform that combines the power of Mixpanel with the ease of Plausible and one of the best Google Analytics replacements.

✨ Features

• 🔍 Advanced Analytics: Funnels, cohorts, user profiles, and session history
• 📊 Real-time Dashboards: Live data updates and interactive charts
• 🎯 A/B Testing: Built-in variant testing with detailed breakdowns
• 🔔 Smart Notifications: Event and funnel-based alerts
• 🌍 Privacy-First: Cookieless tracking and GDPR compliance
• 🚀 Developer-Friendly: Comprehensive SDKs and API access
• 📦 Self-Hosted: Full control over your data and infrastructure
• 💸 Transparent Pricing: No hidden costs or usage limits
• 🛠️ Custom Dashboards: Flexible chart creation and data visualization
• 📱 Multi-Platform: Web, mobile (iOS/Android), and server-side tracking

📊 Analytics Platform Comparison

Feature	OpenPanel	Mixpanel	GA4	Plausible
✅ Open-source	✅	❌	❌	✅
🧩 Self-hosting supported	✅	❌	❌	✅
🔒 Cookieless by default	✅	❌	❌	✅
🔁 Real-time dashboards	✅	✅	❌	✅
🔍 Funnels & cohort analysis	✅	✅	✅*	✅***
👤 User profiles & session history	✅	✅	❌	❌
📈 Custom dashboards & charts	✅	✅	✅	❌
💬 Event & funnel notifications	✅	✅	❌	❌
🌍 GDPR-compliant tracking	✅	✅	❌**	✅
📦 SDKs (Web, Swift, Kotlin, ReactNative)	✅	✅	✅	❌
💸 Transparent pricing	✅	❌	✅*	✅
🚀 Built for developers	✅	✅	❌	✅
🔧 A/B testing & variant breakdowns	✅	✅	❌	❌

✅* GA4 has a free tier but often requires BigQuery (paid) for raw data access.
❌** GA4 has faced GDPR bans in several EU countries due to data transfers to US-based servers.
✅*** Plausible has simple goals

Stack

• Nextjs - the dashboard
• Fastify - event api
• Postgres - storing basic information
• Clickhouse - storing events
• Redis - cache layer, pub/sub and queue
• BullMQ - queue
• GroupMQ - for grouped queue
• Resend - email
• Arctic - oauth
• Oslo - auth
• tRPC - api
• Tailwind - styling
• Shadcn - ui

Self-hosting

OpenPanel can be self-hosted and we have tried to make it as simple as possible.

You can find the how to here

Give us a star if you like it!

Development

Prerequisites

• Docker
• Docker Compose
• Node
• pnpm

Start

pnpm install
cp .env.example .env
echo "API_URL=http://localhost:3333" > apps/start/.env

pnpm dock:up
pnpm codegen
pnpm migrate:deploy # once to setup the db
pnpm dev

You can now access the following:

• Dashboard: https://localhost:3000
• API: https://api.localhost:3333
• Bullboard (queue): http://localhost:9999
• pnpm dock:ch to access clickhouse terminal
• pnpm dock:redis to access redis terminal