Learn how Countly 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 Countly, particularly in popularity, growth and licensing. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.
PostHog significantly outpaces Countly in community adoption with 39,774 stars compared to 5,902 stars on GitHub. This 6.7x difference suggests PostHog has a much larger and more active community. In terms of developer contributions, PostHog has 3,373 forks, indicating strong developer engagement.
PostHog is growing faster, adding 2,093 stars in the last 30 days (+5.6%) against adding 16 stars for Countly (+0.3%). PostHog is both larger and pulling further ahead.
Both projects show recent activity, with Countly last updated 3 days ago and PostHog 10 hours ago.
Both tools share common technology foundations, being built with JavaScript, Bash, Typescript. However, they differ in their additional technology choices: PostHog leverages CSS, JSX, Python, SCSS, Golang, Rust, C, Objective-C, C++.
Countly has been in development longer, starting 14 years ago, compared to PostHog which began 7 years ago. This 7.8-year head start suggests Countly may have more mature features and established processes.
PostHog uses the MIT license, which is more permissive than Countly's other 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: Countly also focuses on Web Analytics.
Both Countly and PostHog offer self-hosting capabilities, giving you full control over your data and infrastructure.
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