The Parchment source code is now hosted at GitHub:

• Parchment itself: http://github.com/curiousdannii/parchment
• Gnusto: http://github.com/curiousdannii/gnusto
• Quixe: http://github.com/erkyrath/quixe
• GlkOte (Javascript Glk implementation included for Quixe support): http://github.com/erkyrath/glkote
• App Engine proxy: http://github.com/curiousdannii/parchment-proxy