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.

Forms Manager - Forms Manager is an online form of automation software that helps businesses build forms, manage workflows, and analyze real-time reports.

TaskBoard - A Kanban-inspired app for keeping track of things that need to get done.

Launchcloud - Data collection & automation made simple.

Pintask - Pintask is the most customizable Kanban board.

XForms - Forms automation solution for medium to large firms