1. RemminaMirror of https://gitlab.com/Remmina/Remmina The GTK+ Remmina Remote Desktop Client
2. Freerdp OldDEPRECATED VERSION - Check https://github.com/FreeRDP/FreeRDP : FreeRDP is a free remote desktop protocol client
4. FreerdpFreeRDP is a free remote desktop protocol library and clients