Signal Veterans Want to Encrypt Slack, Google Docs, and Basically Every Other App - Gizmodo
A team of developers, including the co-creator of the Signal protocol and contributors from Microsoft and Harvard, are building out open-source software that can help bring the sort of hardened privacy and security offered via Signal’s end-to-end encryption (E2EE) to more collaborative types of apps, such as Slack, Google Docs, and Discord. The project is known as Encrypted Spaces, and although it is currently described as being in a “Research Preview” phase, code already exists on GitHub.