Rainglow Color Themes - 320+ color themes for a variety of editors and software.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
Coolors.co - The super fast color schemes generator! Create, save and share perfect palettes in seconds!
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.
Polarite.app - A.I. assisted color scheme generator
Gnome Terminator - Terminator is one of the most useful and dynamic terminal emulators for Unix based operating systems.