PostHog significantly outpaces OpenPanel in community adoption with 37,485 stars compared to 6,266 stars on GitHub. This 6.0x difference suggests PostHog has a much larger and more active community. In terms of developer contributions, PostHog has 3,137 forks, indicating strong developer engagement.

Both projects show recent activity, with OpenPanel last updated 28 days ago and PostHog 2 hours ago.

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX. However, they differ in their additional technology choices: OpenPanel uses Next.js while PostHog leverages Python, SCSS, Golang, Rust, C, Objective-C, C++.

PostHog has been in development longer, starting 7 years ago, compared to OpenPanel which began 2 years ago. This 4.2-year head start suggests PostHog may have more mature features and established processes.

OpenPanel is licensed under AGPL-3.0, while PostHog's license terms are not publicly specified.

Both tools serve similar use cases in Product Analytics. However, they also have distinct specializations: OpenPanel also focuses on Web Analytics.

Both OpenPanel and PostHog offer self-hosting capabilities, giving you full control over your data and infrastructure.