Vinagre is described as 'A VNC/SSH Client for the GNOME Desktop - You can connect to several machines at the same time with tabs - You can keep track of your most used connections with favorites - You can keep track of your recently used connections through GtkRecent - You can browse your' and is an app in the Network & Admin category. There are more than 50 alternatives to Vinagre for a variety of platforms, including Windows, Mac, Linux, Android and iPhone. The best alternative is TeamViewer. It's not free, so if you're looking for a free alternative, you could try PuTTY or Chrome Remote Desktop. Other great apps like Vinagre are AnyDesk (Free Personal), Remmina (Free, Open Source), mRemoteNG (Free, Open Source) and UltraVNC (Free, Open Source).
PuTTY is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a serial port.
Remmina is a remote desktop client written in GTK+. Remmina primarily targets system administrators and travelers that need to work with computers remotely in front of either large monitors or tiny netbooks.
UltraVNC is easy to use and free software that can display the screen of another computer (via the Internet or a local network) on your own screen. The program allows you to use your mouse and keyboard to control the other computer remotely.
TightVNC is a free remote control software package. 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.
VNC is remote access and control software which allows you to view and fully interact with one computer desktop (the "VNC Connect") using a simple program (the "VNC viewer") on another computer desktop or mobile device anywhere on the Internet.