I like to use https://kanbanflow.com/ https://kanbanflow.com/ It takes the usual kanban approach that Jira and Trello use, but is contained in a no-nonsense ht

I like to use https://kanbanflow.com/ https://kanbanflow.com/ It takes the usual kanban approach that Jira and Trello use, but is contained in a no-nonsense html5 friendly, mobile friendly website. No complaints, free to start, and premium features aren't costly if you need them.