Riot is a decentralized, encrypted chat and collaboration tool, “powered” by Matrix, an open source project that has created an open standard for secure, real-time communication and organizing.
Tor is free and open source software, and the Tor Network is operated by volunteers around the world using that software, making it possible for people to randomize their Internet traffic and potentially protect their identity and activity.
For this issue let’s focus on keybase. The simplest way to sum up keybase is to say that it aspires to make encryption easy. Their slogan is “crypto for everyone!” and their goal is to enable the active and widespread use of encryption.