G2 (formerly G2 Crowd) is a technology marketplace that allows businesses to find, review, and manage the technology they need to achieve their potential. G2 is a directory of software and service companies that has received reviews from users. Companies that pay G2 may receive leads from people looking for new software and services. G2.com can be used by software companies to obtain user reviews and gain more customers. Below, you can read G2.com reviews by users and software companies who have used G2.