Update (2020): Kanban moved to sourcehut: https://hg.sr.ht/~arnebab/kanban.el
Update (2013-04-13): Kanban.el now lives in its own repository: on bitbucket and on a statically served http-repo (to be independent from unfree software).
Update (2013-04-10): Thanks to Han Duply, kanban links now work for entries from other files. And I uploaded kanban.el on marmalade.
Some time ago I learned about kanban, and the obvious next step was: “I want to have a kanban board from org-mode”. I searched for it, but did not find any. Not wanting to give up on the idea, I implemented my own :)
The result are two functions: kanban-todo and kanban-zero.
TODO DOING DONE Refactor in such a way that the let Presentation manage dumb sprites return all actions on every command: Make the UiState adhere the list of Turn the model into a pure state