Ranked in these QuestionsQuestion Ranking
Pro Open source
Open source software benefits from collaborative development from the user community.
Pro Easy to create instance on sandstorm.io
Wekan is available as an app on sandstorm.io. For personal use, it may be sufficient to run an instance in a free sandstorm account.
Pro Can easily be integrated with NodeJS apps
Since it's built using Meteor, it can easily be integrated with existing NodeJS apps.