Trello, The Digital Whiteboard, Tops 7M Users
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.
Trello, the collaborative task-management software, has topped 7 million users, with 120,000 new users joining the platform every week. Trello co-founder Michael Pryor confirmed to TechCrunch that the service has 1.7 million monthly active users, with Trello users in every country in the world (save for Myanmar, Nauru and Tuvalu) via Techcrunch ( http://j.mp/trello-digital-whiteboard)
I recently joined and been trying it – but i think it would Really help if i had others to collaborate with — so if you want to try – join / add me https://trello.com/webgrrl/recommend