Stackfield provides end-to-end encrypted communication and collaboration with tasks, documents and projects for business teams. Developed by Stackfield
License: Freemium
SOGo is an open-source groupware solution focused on email and calendar functionalities with strong privacy features, making it ideal for users needing extensive collaboration tools. In contrast, Stackfield is a more user-friendly platform that integrates project management with collaboration tools, suited for teams looking for an all-in-one solution.