PuTTY - Popular free terminal application. Mostly used as an SSH client.
Unimus - Unimus is a Network Automation and Configuration management (NCM) solution designed for fast deployment network-wide and ease of use. Unimus does not require learning any abstraction or templating languages, and does not require any coding skills.
ConEmu - ConEmu-Maximus5 is a full-featured local terminal for Windows devs, admins and users. Get better console window with tabs, splits, Quake style, copy+paste, DosBox and PuTTY integration, and much more.
Oxidized - configuration backup software (IOS, JunOS) - silly attempt at rancid
Gnome Terminator - Terminator is one of the most useful and dynamic terminal emulators for Unix based operating systems.
RANCID - RANCID - Really Awesome New Cisco confIg Differ.