libsixel - DEC SIXEL graphics encoder/decoder and some converter tools SIXEL is one of image formats for printer and terminal imaging introduced by Digital Equipment Corp. (DEC). Its data scheme is represented as a terminal-friendly escape sequence. So if you want to view a SIXEL image file, all you have to do is "cat" it to your terminal. Provides: C library, Python2 module, img2sixel and sixel2png binaries.