Wekan Demo as an open source alternative to Trello

WeKan is an online tool that represents tasks visually. It's essentially an open source version of a popular web application called Trello. WeKan is based on an idea known as Kanban. Kanban was originally used to schedule tasks in factories. Tasks were represented on cards, which were moved through the production process as each step was completed.
Wekan Demo as an open source alternative to Trello
PDF document Wekan-Open-Source-kanban.pdf — PDF document, 999 KB

Wekan is an open-source kanban board which allows a card-based task and to-do management.

Wekan allows to create Boards, on which Cards can be moved around between a number of Columns. Boards can have many members, allowing for easy collaboration, just add everyone that should be able to work with you on the board to it, and you are good to go! You can assign colored Labels to cards to facilitate grouping and filtering, additionally you can add members to a card, for example to assign a task to someone.