(This file is public domain). TeXworks sources are available from these locations as of 8oct09: TeXworks itself: http://texworks.googlecode.com/files/texworks-0.2.2.tar.gz Required libraries: Poppler: http://poppler.freedesktop.org/poppler-0.12.0.tar.gz http://poppler.freedesktop.org/poppler-data-0.2.1.tar.gz Qt4: http://get.qt.nokia.com/qt/source/qt-win-opensource-src-4.5.2.zip http://get.qt.nokia.com/qt/source/qt-mac-opensource-src-4.5.2.tar.gz Hunspell: http://downloads.sourceforge.net/sourceforge/hunspell/hunspell-1.2.8.tar.gz libiconv: http://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.13.1.tar.gz MinGW runtime: http://downloads.sourceforge.net/sourceforge/mingw/mingwrt-3.15.2-mingw32-src.tar.gz http://downloads.sourceforge.net/sourceforge/mingw/w32api-3.13-mingw32-src.tar.gz The following libraries are also present in the main TeX Live source tree, but are listed here for completeness: freetype2: http://savannah.nongnu.org/download/freetype/freetype-2.3.9.tar.bz2 zlib: http://www.zlib.net/zlib-1.2.3.tar.gz