When comparing KRDC vs Remmina, the Slant community recommends Remmina for most people. In the question“What are the best remote desktop solutions for Linux?” Remmina is ranked 2nd while KRDC is ranked 8th. The most important reason people chose Remmina is:
It's easy and fast to find what you want, nice for daily use.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free & Open Source
KRDC is free and open-source under GPL.
Pro Tabbed Interface
Pro Straightforward user interface
It's easy and fast to find what you want, nice for daily use.
Pro Supports multiple remote desktop protocols
Remmina supports a number of protocols for accessing remote desktops - RDP, SSH, XDMCP, NX, and SPICE.
Pro You can manually adjust the quality of connection
To more effectively manage the available bandwidth, you can change the speed of your connection. This lets you sacrifice some of the quality of multimedia in favor of more speed.
Pro All connections are organized in groups
All connection profiles can be neatly organized into groups, making managing a large of machines simple.
Cons
Con Client only
If you are looking for a complete client-server solution, it isn't for you as it requires server pre-configured.
Con No RDP server, only client
Remmina is only a remote client (VNC, RDP). It has no server features.