Trello

Trello is a web-based Kanban-style list-making application which is a subsidiary of Atlassian. Users can create their task boards with several columns and move the tasks between them. Typically columns include task statuses: To Do, In Progress, Done. The tool can be used for personal and business purposes including real estate management, software project management, school bulletin boards, lesson planning, accounting, web design, gaming, and law office case management.