GigaTribe 3.1 is a file-sharing software that allows users to share files with friends and family. It features easy-to-use drag-and-drop functionality for sharing files, as well as secure peer-to-peer encryption for added privacy. The software also includes a chat function for communication between users and allows for the creation of private groups for file sharing. Additionally, GigaTribe offers a feature for remotely accessing files stored on a user's computer from another device.