Zenkit - Zenkit is the home you always wanted for your ideas, your projects, your business.
TaskBoard - A Kanban-inspired app for keeping track of things that need to get done.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
My Personal Kanban - This is a one page HTML/JavaScript application for people who would like to use simple and basic...
ClickUp - ClickUp's #1 rated productivity software is making more productive projects with a beautifully designed and intuitive platform.
Pintask - Pintask is the most customizable Kanban board.