posthog.com/
PostHog
PostHog is free. Product analytics, session replay, and feature flags, hosted or on your own server.
What is PostHog?
PostHog is free. PostHog records events, replays sessions, and can gate features with flags. You can use their cloud or run it yourself if the data should stay in your network.
PostHog is a tool in the Analytics category of a tech stack.
Level
Key Features
Event analyticsSession replayFeature flags
PostHog Pros & Cons
Pros of PostHog
Analytics and flags live in one product
Self-hosting is a real option
The JavaScript snippet drops into a Next.js or React app
Cons of PostHog
Self-hosting means you run ClickHouse and the rest of the stack
Event volume is what the bill follows