"simple command-line utility for extracting text from EPUB documents and, optionally, re-flowing it to fit a text display of a particular number of columns. It is written entirely in ANSI-standard C"
"Gow (Gnu On Windows) is the lightweight alternative to Cygwin. ... about 130 extremely useful open source UNIX applications compiled as native win32 binaries. It is designed to be as small as possible, about 10 MB."
Self-contained, portable, single exe file with X server, terminal, etc., including support for stand-alone bookmarks/shortcuts