Carlsbad-based EPM LIve, a developer of cloud-based software used for project portfolio and work management, and which was built on Microsoft SharePoint, has been acquired by Silverback Enterprise Group. Financial terms of the buy were not disclosed. EPM Live's staff and CEO Joe Larscheid will join Silverback as part of the acquisition. Silverback Enterprise Group is venture backed by Austin Ventures, and has recently been acquiring a number of software firms. Silverback most recently acquired Visoinael, Tenrox, and PowerSteering Software, with EPM Live being that company's fourth buy in the past 15 months.