Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds. Developed by Disa.im
License: Open Source
Disa is a versatile and customizable messaging app that allows users to integrate multiple messaging services, while Threema is a privacy-focused, paid app that emphasizes security and user anonymity with features like secret chats and two-factor authentication. Both apps support end-to-end encryption and group chats, but Threema has a stronger emphasis on privacy.