Vinagre is a VNC, SSH, RDP and SPICE client for the GNOME desktop environment. Developed by Jonh Wendell
License: Open Source
Radmin is a powerful, paid remote access tool known for its speed and security features, making it suitable for professional environments. In contrast, Vinagre is a free, open-source remote desktop client that offers a simpler, user-friendly experience but lacks some advanced functionalities.