PuTTY - Popular free terminal application. Mostly used as an SSH client.
GIPHY Says - Turn your words into animated GIFs!
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Data GIF Maker by Google - Google's new tool turns boring data into GIFs!
iTerm2 - A terminal emulator for macOS that does amazing things.
Gifox - Delightful GIF Recording and Sharing App for macOS