Open-source remote desktop

5 remote desktop whose code is public under an OSI-approved license, rated for privacy with evidence. Picks first, then by score.

1. Apache Guacamole Grade B

   Clientless remote desktop gateway that runs on a server and gives browser-based access to machines over VNC, RDP, SSH and Telnet using HTML5, with no plugin or client software needed.

   Apache-2.0 for the server and web client. Source code

2. MeshCentral Grade B

   Self-hosted web server for remote device management, offering remote desktop, terminal and file access to Windows, Linux, macOS and FreeBSD machines through an installed agent.

   Apache-2.0. Source code

3. Remmina Grade B

   Remote desktop client for Linux and other Unix-like systems that supports RDP, VNC, SPICE, SSH and other protocols through plugins, with a tabbed GTK interface.

   GPL-2.0-or-later. Source code

4. TigerVNC Grade B

   VNC server and viewer implementation focused on performance, with TLS encryption and extensions for advanced authentication, used for remote access to graphical desktops.

   GPL-2.0. Source code

5. RustDesk Grade D

   Open-source remote desktop software that works with RustDesk's public relay servers or a self-hosted server, with a paid Pro server edition for teams.

   AGPL-3.0 for the client and the self-hosted server; only the optional Pro server is closed source. Source code

Compare all 8 remote desktop, open source or not.