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
BlackBerry Messenger is primarily focused on secure communication with strong encryption and is suitable for users who prioritize privacy and security. Disa, on the other hand, is a versatile messaging platform that integrates various messaging services, providing a customizable experience, but may have a steeper learning curve for new users.