It's not unknown, but for example https://wekan.github.io https://wekan.github.io is small with about 11,095 lines of code without frameworks https://www.openhu

It's not unknown, but for example https://wekan.github.io https://wekan.github.io is small with about 11,095 lines of code without frameworks https://www.openhub.net/p/wekan https://www.openhub.net/p/wekan when compared to Kanboard that has 186,254 lines of code https://www.openhub.net/p/kanboard https://www.openhub.net/p/kanboard . There are still many bugs to fix.