The best open source alternative to Remote Desktop Connection is RustDesk. If that doesn't suit you, our users have ranked more than 100 alternatives to Remote Desktop Connection and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Remote Desktop Connection are Remmina, mRemoteNG, UltraVNC and TightVNC.
A VNC/SSH Client for the GNOME Desktop
Modern RDP client with resizing and zoom functionality. Direct replacement for Microsoft Remote Desktop Connection.
For developers, screen sharing shouldn’t be optimized for low bandwidth or presenting some slides. It should be high definition, that you still can read the tiny font of your colleague. No more, “wait a minute, the stream isn’t updating”.
KRDC is the KDE Remote Desktop Client. KRDC was overhauled as part of the Google Summer of Code (SoC) 2007 by Urs Wolfer and other developers to be included in the KDE 4.0. An overhaul was needed as KRDC development had slowed to a stop as it had no active maintainer for several...
A user-friendly, open-source, cross-platform solution, that allows controlling of remote computers. It can be used as an alternative to various commercial remote desktop and assistance products.
Connections allows you to connect to and use other desktops. This can be a great way to access content or software on a different desktop operating system. It can also be used as a way to provide support to users who might need help.
rdesktop is an open source client for Windows Terminal Services, capable of natively speaking Remote Desktop Protocol (RDP) in order to present the users Windows desktop. Supported servers include Windows 2000 Server, Windows Server 2003, Windows Server 2008, Windows XP, Windows...
Xpra is 'screen for X': it allows you to run X programs, usually on a remote host, direct their display to your local machine, and then to disconnect from these programs and reconnect from the same or another machine, without losing any state.
TurboVNC is a derivative of VNC (Virtual Network Computing) that is tuned to provide peak performance for 3D and video workloads.
The SPICE project aims to provide a complete open source solution for remote access to virtual machines in a seamless way so you can play videos, record audio, share usb devices and share folders without complications.
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Xpra is a X server and lets you run remote programs that have their screen output on your local computer. That is not the same as actually copying a remote screen output to a local computer, which is what remote desktop does. It might have some advantages in some cases and due to the technical nature has a lot of limitations. That's why it is not an alternative to remote desktop.