KanbanFlow vs Wekan
When comparing KanbanFlow vs Wekan, the Slant community recommends KanbanFlow for most people. In the question“What are the best online Kanban boards?” KanbanFlow is ranked 3rd while Wekan is ranked 15th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Pomodoro timer

Pro Simple & easy interface
The board space is very well used and configurable. User interactions are clear and intuitive.
Pro WIP Limits
Pro Estimation & time spent
Pro Swimlanes

Pro Collaboration features
Any changes you make on the board are instantly available to all members of the team.
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.
Pro Written in JavaScript
Cons

Con No mobile app
There is a web app for mobile devices but it lacks some features that a native app could offer.