Kanboard is a simple visual task board software.

Main features:

* Kanban methodology
* Visualize your work
* Limit your work in progress to be more efficient
* Customize your boards according to your business activities
* Multiple boards with the ability to drag and drop tasks
* Minimalist software, focus only on essential features (Less is more)
* Fast and simple to use
* Access from anywhere with a modern browser
* Free, open source and self-hosted
* Super simple installation

WWW: https://kanboard.net/