Royal TS might be a bit more popular than KRDC. We know about 2 links to it since March 2021 and only 2 links to KRDC. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
See [KRDC](https://apps.kde.org/krdc/) . Not sure about the h264 support though. Source: about 1 year ago
Give this one a shot: https://apps.kde.org/krdc/ I've been pleasantly impressed coming from Remmina. - Source: Hacker News / about 2 years ago
Royal TS for general remote desktop use, not VMs specifically. Indefinite trial ("Shareware mode") is fine if you have <10 connections: https://royalapps.com/ts/win/features. Source: about 2 years ago
A nice alternative for MobaXterm is Royal TS, especially for maintaining a list of 100’s of servers and simultaneously executing commands on a subset or all of them: https://royalapps.com/ts/win/features. - Source: Hacker News / over 2 years ago
Remmina - Remmina is a remote desktop client written in GTK+, aiming to be useful for system administrators and travellers, who need to work with lots of remote computers in front of either large monitors or tiny netbooks.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
FreeRDP - FreeRDP is a free remote desktop protocol client.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Xrdp - An open source remote desktop protocol (rdp) server
mRemoteNG - mRemoteNG is a fork of mRemote, an open source, tabbed, multi-protocol, remote connections manager.