Dimagi was one of 25 ventures profiled by Businessweek.com in its third annual roundup of America’s most promising social entrepreneurs. Selections came from reader suggestions. Dimagi was also one of 9 certified B Corps selected to the list. You can vote for the business you think holds the most promise by July 12 here. Businessweek will announce the top five vote-getters on the small business channel on July 19.