Both tools have similar popularity levels, with Leantime having 11,200 stars and OpenProject having 15,747 stars on GitHub. In terms of developer contributions, OpenProject has 3,399 forks, indicating strong developer engagement.

Both projects show recent activity, with Leantime last updated 2 days ago and OpenProject 10 hours ago.

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

OpenProject has been in development longer, starting 14 years ago, compared to Leantime which began 12 years ago. This 2.2-year head start suggests OpenProject may have more mature features and established processes.

The projects use different licenses: Leantime 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: Leantime also focuses on Task Management while OpenProject extends into Agile Project Management.

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