Remmina is a remote desktop software client for POSIX-based computer operating systems. It supports the RDP, VNC, NX, XDMCP, SPICE and SSH protocols.
License: Open Source
Remmina is an open-source remote desktop client that excels in supporting multiple protocols but lacks advanced features like audio and mobile support. In contrast, NoMachine offers high performance and advanced capabilities, making it suitable for users needing robust solutions, but it may require payment for some features.