OpenProject leads in popularity with 15,747 stars vs 5,296 stars for Kan. The 197% higher star count indicates stronger community adoption. In terms of developer contributions, OpenProject has 3,399 forks, indicating strong developer engagement.

Both projects show recent activity, with Kan last updated 18 hours ago and OpenProject 11 hours ago.

Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX. However, they differ in their additional technology choices: Kan uses Next.js while OpenProject leverages SCSS, Ruby, Perl.

OpenProject has been in development longer, starting 14 years ago, compared to Kan which began 3 years ago. This 11.1-year head start suggests OpenProject may have more mature features and established processes.

The projects use different licenses: Kan is licensed under AGPL-3.0 while OpenProject uses GPL-3.0. Consider the licensing requirements when choosing for your project.

Both tools serve similar use cases in Project Management Suites. However, they also have distinct specializations: Kan also focuses on Task Management while OpenProject extends into Agile Project Management.

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