can i fork it?
open sourceMITLocal or hosted★ 38kactive aug 2026

PostHog

Funnels, cohorts and retention on a free million-event allowance; the kitchen sink comes along.

Technical Profile & Specs

verified 2026-08-10

Cost
$0 / forever (Open Source)
License
MIT
Hosting Model
Local or hosted (your machine or their cloud)
Platforms
mobilewebthey host it
Installation
Create a PostHog Cloud project or use the hobby self-host script on a Linux server
Operational Setup
None for hosted signup; self-hosting is an unsupported, resource-heavy multi-service stack requiring serious operations work
Where Your Data Lives
The self-hosted stack splits analytics, transactions, queues and recordings across ClickHouse, PostgreSQL, Kafka, Redis and object storage; cloud data lives in PostHog's managed regions
The Catch / Trade-off
Its kitchen-sink product is heavier, while Amplitude's core product-analytics workflows and governance are more refined.

Replaces 4 paid apps

up to $25/mo ($300/yr) in subscriptions

PostHog FAQ

Common questions

Is PostHog free and open source?+

PostHog is an open-source tool licensed under MIT that runs on local or hosted. Funnels, cohorts and retention on a free million-event allowance; the kitchen sink comes along.

What paid software does PostHog replace?+

PostHog serves as a free replacement for 4 paid SaaS applications: Amplitude, Heap, Mixpanel, Mouseflow, saving up to $25/month ($300/year) in subscription bills.

How do you install and set up PostHog?+

Installation: Create a PostHog Cloud project or use the hobby self-host script on a Linux server. Setup notes: None for hosted signup; self-hosting is an unsupported, resource-heavy multi-service stack requiring serious operations work

What is the catch or trade-off with PostHog?+

Its kitchen-sink product is heavier, while Amplitude's core product-analytics workflows and governance are more refined.