Off-the-Record Messaging (OTR) is a cryptographic protocol that provides encryption for instant messaging conversations. Developed by Ian Goldberg and the OTR Development Team
License: Open Source
Off-the-Record Messaging focuses on privacy and anonymity by providing encrypted messaging without the need for accounts, making it ideal for sensitive conversations. In contrast, Disa offers multi-platform support and integration with various messaging services, allowing for a more versatile communication experience.