WinAVR ------ Sources for specific versions of these packages can be found at these locations. GNU Binutils <http://sources.redhat.com/binutils/> GCC <http://gcc.gnu.org/> avr-libc <http://savannah.nongnu.org/projects/avr-libc> avrdude <http://savannah.nongnu.org/projects/avrdude/> GDB <http://sources.redhat.com/gdb/> Insight <http://sources.redhat.com/insight/> AVaRICE <http://sourceforge.net/projects/avarice> SimulAVR <http://savannah.nongnu.org/projects/simulavr/> Tofrodos <http://www.thefreecountry.com/> Cygwin DLLs <http://www.cygwin.com/> Any patches against these sources can be found in the \source directory of your installation. These are organized into different subdirectories, one for each project. All patches have a .patch file extension.