CREDIBLE: $500K to San Francisco-based Credible in a seed round from Carthona Capital, Cthulhu Ventures, Orrick Cap-Meridian Ventures and other angel investors, reports TechCrunch. The startup helps students refinance their school loans by offering a "Kayak-style marketplace" where they can find the best rates and switch lenders. So far 30,000 students have signed up. Credible also recently won the "Best 2.0 Company" award at the LAUNCH festival.