StraighterLine: $10 million to Baltimore, MD-based StraighterLine in Series B round led by FirstMark Capital, with City Light Capital and Chrysalis Ventures among those participating. With no end in sight for college tuition increases, online alternatives are drawing students--and investors. StraighterLine offers subscription-based, online general education courses (currently 38 total) that count towards credit for the startup's partner colleges and universities. See the list here.