SOGo (Scalable OpenGroupware.org) is an open source collaborative software (groupware) server with a focus on simplicity and scalability. Developed by inverse
License: Open Source
SOGo is primarily focused on email and calendar management, making it ideal for users seeking robust communication tools in a self-hosted environment. In contrast, Wrike excels in project management with advanced features like Gantt charts and time tracking, catering to teams that need comprehensive task and project oversight.