We are working to make team management effortless and fun. Some of the features that make it possible: achievements, kanban board, online time counter, simple activity feed and dropbox integration. The result of this is called Hiburo [0].
Sorry that it throws you away, but currently we are looking for users who are ready to fill five inputs and click that green button.
We decided against screenshots because shortly will be adding a quick link to demo. It is a minor promotion to get as much criticism as we can get before going beyond open beta.
Trello is a very specific tool. Hiburo is not a task manager alone, we focus on teams, broader workflow, setting the right atmosphere for communication in general. We have pure fun elements like achievements too.
Check out this landing section[1], you can find most of our main features there.
[0] - https://hiburo.com/