When you think about online collaboration, popular options such as Basecamp, Chatter or Google Docs likely come to mind. But there’s another rising star in the space garnering the attention of investors and customers alike for not only letting people work with others online regardless of physical location, but also offering other interesting features. Irvine, Calif.-based Mavenlink just raised $3.9 million to accelerate the development of its project management platform and says it now has more than 100,000 users and is getting 15,000 new ones a month. READ MORE
