Here’s the latest G2 Crowd report about the best CS tools. Gainsight leads the pack. Gainsight is one of the best-run companies in Silicon Valley. Unbeknownst to most, Gainsight was originally founded in St. Louis under another name JBara. This story confirms why Silicon Valley is the biggest difference-maker in terms of talent, innovation, and access to smart money. Achieving scale is much harder anywhere else.