7-Zip: general archiver (zip, bzip2, tar, rpm, rar, deb), with GUI
Bzip2: compression utility
Gzip: compression utility (replacement
for compress)
Info-Zip: zip and unzip tools and GUI (WiZ)
TUGZip: general GUI archiver
GNU utilities for Win32: a fairly complete collection of older versions of basic GNU tools, e.g. fileutils, findutils, shellutils, and textutils
Mingw32 Package Repository: some packages compiled with Mingw, e.g. expat (XML parser), gdbm (GNU database manager), gmp (GNU library for arbitrary precision ), guile (GNU extension language library), pcre (Perl-compatible regular expression library), rx (regular expression library)
Reference documentation of open-source software: documentation of most GNU packages
Ch: a complete C
interpreter supporting all features in the ISO C90 Standard, wide characters,
in Addendum 1 for C90,
real and complex IEEE-754 floating-point arithmetic, and many salient C++
features including classes and objects
LCC: C
compiler
DevC++: GUI for C
Mingw: GNU Compiler Collection (GCC)
Nasm: free portable assembler for the Intel 80x86
Perl: scripting language: Win32 port
Python: scripting language: Win32 port
Tcl/Tk: scripting language: Win32 port
Vide: GUI for C
1st Page 2000: HTML editor
2xEditor: text editor
AbiWord: text editor
Biew: binary-file editor
Emacs (NT Emacs): extensible text editor and application development system based on Emacs
Nano: text editor
OxEdit: text editor
WnBrowse: file browser
Xemacs: extensible text editor and application development system based on Emacs
Gimp: GNU image manipulation program
TkPaint: graphics program based on Tcl/Tk (also available as stand-alone Win32 program)
Gplot: viewer for CGM images
ImageMagick: convert many image types
IrfanView: viewer and converter for many image types
RalCgm: viewer and converter for CGM images
XnView: viewer and converter for many image types
On-line Run-Time Library Reference (MSVCRT)
Ghostscript: Postscript and PDF reader and converter
GsView: GUI for Ghostscript
HtmlDoc: convert HTML to PDF
Adobe Blue Book: Postscript language tutorial and cookbook and examples
Adobe Green Book: Postscript language program design
Adobe Red Book: Postscript language reference
Adobe Black Book: Adobe type-1 font format
Pdfmark Primer: introduction to Pdfmarks
TinyHelp: introduction to Postscript
2xExplorer: dual pane explorer
Ch: an interpretive implementation of C as Unix/MS-DOS shell
Dependency Walker: view dependencies of executables or dynamic link libraries
cURL: tool for transferring files with URL syntax
Gnu Midnight Commander: clone of Norton Commander
Zsh: command-line shell
Gretl: GNU regression estimation and time-series library
R: GNU language and environment for statistical computing and graphics (replacement for S+)
BibDB: bibliographic database editor
JaBref: bibliography reference manager
LyX: GUI front end for TeX
MikTeX: TeX implementation
TkBibTeX: bibliographic database editor for use with Tcl/Tk
TkInfo: reader of Info files, for use with Tcl/Tk
CygWin: Unix on MS-Windows
DJGPP: Unix on DOS
Microsoft Windows Services for UNIX (SFU): Posix on MS-Windows
UWin: Unix on MS-Windows
Single UNIX Specification, Version 2
Single UNIX Specification, Version 3
Arachnoid programs, such as AboutTime, an Internet time client and server
Agrep: an approximate Grep
AbiSource: a replacement for MS Office
Juan M. Aguirregabiria's freeware programs, such as TeX Organizer, Command Line Shell, LaTeX Macros
Less: file viewer