Both tools have similar popularity levels, with OpenProject having 15,834 stars and Planka having 12,335 stars on GitHub. In terms of developer contributions, OpenProject has 3,420 forks, indicating strong developer engagement.

OpenProject is growing faster, adding 276 stars in the last 30 days (+1.8%) against adding 118 stars for Planka (+1%). OpenProject is both larger and pulling further ahead.

Both projects show recent activity, with OpenProject last updated 12 hours ago and Planka 3 days ago.

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

OpenProject has been in development longer, starting 14 years ago, compared to Planka which began 7 years ago. This 6.9-year head start suggests OpenProject may have more mature features and established processes.

OpenProject is licensed under GPL-3.0, while Planka's license terms are not publicly specified.

Both tools serve similar use cases in Project Management Suites, Agile Project Management. However, they also have distinct specializations: Planka extends into Task Management.

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