Microsoft Remote Desktop!

Remmina is a remote desktop client written in GTK+, aiming to be useful for system administrators and travellers, who need to work with lots of remote computers in front of either large monitors or tiny netbooks. Remmina supports multiple network protocols in an integrated and consistent user interface.

Remote Utilities is a remote PC access program for connecting to a remote PC over LAN or via the Internet. The program is used by system administrators, home users and helpdesks for remotely managing PCs in their corporate or home network, or providing customer support.

Remote Access and Screen Sharing service. Free and Super Simple.

dualmon provides free remote access software for both personal and business use.

UltraViewer is a software that help you to remote control your client's computer to support them like you're sitting in front of the screen.

imPcRemote is a remote support tool that enables instant, secure, and trouble-free connections between remote computers over the web.

Screen share instantly for free using Screenleap. Screenleap makes it really easy to share your computer screen. You can share your screen with as many people as you like with no downloads, account setup, or cost required. Friends, family, and colleagues can view your computer from their laptops, desktops, or mobile devices without having to install anything.

LiteManager - fast and secure remote administration software for Computer. Software for remote support, remote access to home and office. Remote Desktop Connection.

ThinLinc - a remote desktop server from Cendio

iTeleport is a magical app that lets you access your computer from anywhere in the world.

2X Client for RDP/Remote desktop is an RDP client that enables you to connect to your home or office PC from any desktop, laptop or mobile device.

Splashtop is the next generation remote access, remote support, and collaboration solution. Splashtop is optimized for highest remote desktop performance. It's a faster and simpler alternative to GotoMyPC, LogMeIn Pro, WebEx, and other remote access solution. For IT / MSP who want to remote support computers, Splashtop Business offers easy deployment of computer agents, along with grouping, file transfer, etc., all at much lower pricing than LogMeIn Central and Teamviewer.