FireCMD - FireCMD is regarded as enhanced command line environment for Windows platforms that makes actually interacting with the computer both powerful and user-friendly.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
zScope - Terminal Emulator for IBM AS/400, IBM Mainframe and UNIX server access.
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
Fox Term - Pro: This is a really simple and robust VT100-style emulator for Windows.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.