Learn how OpenReplay and PostHog differ in their key features, development activity, technology stack and community adoption, so you can decide which of these product analytics is best for you.
Last 30 days
Last commit
Repository age
Version
License
Self-hosted
Repository

Last 30 days
Last commit
Repository age
Version
License
Self-hosted
Repository

PostHog appears to have several advantages over OpenReplay, particularly in popularity, growth, maturity and licensing. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.
PostHog significantly outpaces OpenReplay in community adoption with 40,343 stars compared to 13,003 stars on GitHub. This 3.1x difference suggests PostHog has a much larger and more active community. In terms of developer contributions, PostHog has 3,525 forks, indicating strong developer engagement.
PostHog is growing faster, adding 480 stars in the last 30 days (+1.2%) against adding 121 stars for OpenReplay (+0.9%). PostHog is both larger and pulling further ahead.
Both projects show recent activity, with OpenReplay last updated 8 hours ago and PostHog 6 hours ago.
Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX, Python, Golang, C, Objective-C. However, they differ in their additional technology choices: OpenReplay uses Swift, Ruby, Kotlin, MATLAB while PostHog leverages SCSS, Rust, C++.
PostHog has been in development longer, starting 7 years ago, compared to OpenReplay which began 5 years ago. This 1.3-year head start suggests PostHog may have more mature features and established processes.
PostHog uses the MIT license, which is more permissive than OpenReplay's AGPL-3.0 license, potentially offering greater flexibility for commercial use and integration.
Both tools serve similar use cases in Product Analytics. However, they also have distinct specializations: OpenReplay also focuses on Performance Monitoring (APM).
Both OpenReplay and PostHog offer self-hosting capabilities, giving you full control over your data and infrastructure.