GrowthBook significantly outpaces FeatBit in community adoption with 8,070 stars compared to 1,901 stars on GitHub. This 4.2x difference suggests GrowthBook has a much larger and more active community. In terms of developer contributions, GrowthBook has 807 forks, indicating moderate developer engagement.

Both projects show recent activity, with FeatBit last updated 5 hours ago and GrowthBook 5 hours ago.

Both tools share common technology foundations, being built with JavaScript, Bash, Typescript, Python. However, they differ in their additional technology choices: FeatBit uses C# while GrowthBook leverages CSS, JSX, Next.js, SCSS.

GrowthBook has been in development longer, starting 5 years ago, compared to FeatBit which began 4 years ago. This 1.3-year head start suggests GrowthBook may have more mature features and established processes.

FeatBit is licensed under MIT, while GrowthBook's license terms are not publicly specified.

Both tools serve similar use cases in Feature Flags. However, they also have distinct specializations: FeatBit also focuses on Build & Deployment while GrowthBook extends into Product Analytics.

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