Apache Guacamole.

Open-source clientless remote desktop gateway supporting VNC, RDP and SSH

Facts

AnyDesk
Fast remote desktop application with low latency for support and collaboration
DE · commercial
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DWService
Open-source remote access service accessible through a web browser
IT · open-source
↗
FastViewer
German enterprise remote support and remote desktop solution with GDPR focus
DE · commercial
↗
Iperius Remote
Italian remote desktop and support software with file transfer and multi-monitor
IT · commercial
↗
NoMachine
Remote desktop software using NX protocol for fast remote connections
IT · commercial
↗
Supremo
Italian remote desktop and support software with easy setup and no installation
IT · commercial
↗
TeamViewer
Enterprise remote connectivity platform for support, access and IoT management
DE · commercial
↗