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Apache Guacamole vs Remote Desktop Connection Manager: catalog facts
Apache Guacamole	Remote Desktop Connection Manager
Free Free and open source under the Apache License 2.0; commercial support is offered by third…	Free Free download from Microsoft Sysinternals.
Web, Self-hosted	Windows
No client software or plugins needed, only a web browser Supports VNC, RDP and SSH through one gateway	Groups servers and connects to a whole group at once Live thumbnail view of many sessions
Requires setting up and maintaining your own server Releases are infrequent	Windows and RDP only Closed source
Self-hosted	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.