Both tools have similar popularity levels, with KeystoneJS having 9,933 stars and TinaCMS having 13,684 stars on GitHub. In terms of developer contributions, KeystoneJS has 1,262 forks, indicating strong developer engagement.

Both projects show recent activity, with KeystoneJS last updated 2 days ago and TinaCMS 18 hours ago.

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX, Next.js. However, they differ in their additional technology choices: KeystoneJS uses Remix while TinaCMS leverages Golang.

KeystoneJS has been in development longer, starting 8 years ago, compared to TinaCMS which began 7 years ago. This 1.3-year head start suggests KeystoneJS may have more mature features and established processes.

KeystoneJS uses the MIT license, which is more permissive than TinaCMS's Apache-2.0 license, potentially offering greater flexibility for commercial use and integration.

Both tools serve similar use cases in Headless CMS. However, they also have distinct specializations: KeystoneJS also focuses on Web Frameworks.