In the context of software development, Kanban is an approach based on Lean that tries to limit waste and work in progress to the actual capacity of the software development team. The aim of Kanban is to create a context that balances capacity and demand through a value stream. Thus the work is not “pushed” to developers by project managers, but “pulled” by the development team according to priorities. Kanban is the Japanese word for visual card and visualizing the current situation is very important in Kanban. If collocated teams can use simple dashboards and cards to track the work in progress, this is not the same for large or distributed Kanban teams that need to use tools. As for Scrum, a certain number of software tools have been developed to help team manage their Kanban flows. This article present a list of “pure” online commercial Kanban tools that can be used for free, even if there are limitations regarding this free usage. We also tried to select tool that integrate some of the actual Kanban concepts like WIP or swimlanes and not tools where you can just “move cards on a board” in a Trello-like style, even if you might certainly find value in these tools for simple visual project management. Some commercial tools that provide both Scrum and Kanban features have already been listed in our “Using Commercial Scrum Tools for Free” article. The tools listed in this article are: Clubhouse, Kanbanery, KanbanFlow, LeanKit, Kanban Tool, Online Kanban, [...]