X2Go is a feature-rich open source remote desktop solution that uses the NX technology protocol and allows you to connect your local desktop or laptop to your Linux server.

Support All Windows Versions, Windows Server and Linux/Mac Os Also.

Clipboard support (copy and paste between viewers and server).

Windows Logon Integration (LMI) support (no more typing passwords).

Works behind firewalls/NATs/routers/proxies etc.

UltraVNC uses the RealVNC open source code, but has some extra features. The program allows you to use your mouse and keyboard to control the other PC remotely. UltraVNC is a powerful, easy to use and free, remote pc access softwares, that can display the screen of another computer (via internet or network) on your own screen.

Supports Microsoft Windows, UNIX (Linux), BSD, and Mac OS X.

Built-in audio support via Pulse Audio (from version 1.2).

File transfer between client and server computers.

Remote control of computers across the Internet via Web browsers or Java clients.

It supports a wide range of audio/video compression methods, file transfer, and encryption. TightVNC is a free and open-source remote desktop software application that uses the RFB protocol. In previous article, I have mentioned about Best Free Alternatives for Obs Studio but now in this article, I have mentioned best free and open source remote-desktop software other than AnyDesk or you can say open-source alternatives of anydesk, with it's features.

Anydesk alternatives