Calypso is a cross platfrom file sharing client using the anonymous network MUTE. Developed using C++ and Qt, Calypso is portable to Windows, Linux, and other environments.
License: Open Source
VyprVPN is known for its strong security features and speed, making it ideal for users who prioritize privacy and performance. In contrast, Calypso offers a more budget-friendly option with good customer support, but may lack some advanced features and server variety.