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.
Provides secure, cross-platform remote access and file sharing with no registration needed. Offers end-to-end encryption, self-hosting, multi-monitor support, screen sharing, and portable use, all with a lightweight, ad-free interface.
Open source remote desktop client for Linux and BSD supporting RDP, VNC, SPICE, and more, aimed at sysadmins and travelers needing remote access with features like scrollable high-res desktops and organized connection management.
Manage remote connections efficiently with this open-source tool, featuring a tabbed interface supporting RDP, VNC, SSH, Telnet, HTTP, and more protocols, without any ads.
Secure, free remote desktop access for Windows lets users control computers via LAN or internet, share screens, sync clipboards, transfer files, support IT helpdesks, provide remote demonstrations, and assist users without pre-installation using add-ons.
TightVNC is a free remote desktop application. With TightVNC, you can see the desktop of a remote machine and control it with your local mouse and keyboard, just like you would do it sitting in the front of that computer.
DWService is a half (only the client/agent) open source project which offers a service that allows access to remote systems (Windows, Mac, Linux, Raspberry...) using a standard web browser - without any component required on the client side.
TigerVNC is an advanced VNC implementation. It is based on the fourth generation of VNC. TigerVNC also includes features from the TightVNC and TurboVNC projects. This includes accelerated JPEG compression. TigerVNC supports the latest X.Org X server.
This is a full computer management web site. With MeshCentral, you can run your own web server to remotely manage and control computers on a local network or anywhere on the internet.
Remotely is a free and open-source remote desktop, remote scripting, and rich auto-complete to maximize your IT support efficiency.
X2Go is an open source remote desktop software for Linux that uses the NX technology protocol.
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. Enjoy the freedom of using your software wherever you want, the way you want it, in a world where interoperability can finally liberate your computing experience.
xrdp provides a graphical login to remote machines using Microsoft Remote Desktop Protocol (RDP). xrdp accepts connections from a variety of RDP clients:
Singapore
Italy
EU
Belgium
Russia
Estonia
United States
Germany
I've been using Remote Desktop Connection (Manager) for years as a Windows user. Remmina seems like the most popular alternative for Linux, and honestly, it works. The interface isn't quite as simple as it seems to support a lot more, but I had it up and running in a couple of minutes.