USB PIC related open source projects

Updates to be found in Microchip Forum:
http://www.microchip.com/forums/tm.aspx?m=235427

1. PUF using sdcc : http://vasco.gforge.enseeiht.fr/

"PUF is a USB application framework dedicated to Linux (on the host side) and to the PIC 18F4550 family of microcontrollers (on the device side). PUF includes: a bootloader that can flash the PIC application through the USB, a PIC demo and its corresponding application on the host side, and docker, the host-side flash programming utility.

2. PIC18F4550 USB/MSD sourceforge, Apache License V2.0
http://sourceforge.net/projects/pic18fusb

3) GPLed USB stack with SDCC
http://forum.microchip.com/tm.aspx?m=170553
http://www.nutsvolts.com/%7Edownloads/USB.zip

4) PICDEM FS USB bootloader for Linux/Windows using libusb
http://www.internetking.org/fsusb/
http://forum.microchip.com/tm.aspx?m=106426

5) PICDEM FS USB demo appliation under Linux/Windows using libusb
http://www.varxec.net/picdem_fs_usb/

6) PIC18F2455/4455 Assembler USB Firmware (MPASM) From Bminch
http://forum.microchip.com/tm.aspx?m=89669
http://pe.ece.olin.edu/ece/projects.html

7) MPLAB C18 based PIC USB firmware from Bminch (simpler than Microchip's)
http://forum.microchip.com/tm.aspx?m=125158
http://pe.ece.olin.edu/ece/projects.html

8) Microchip USB C18 Firmware framework ported to SDCC
http://www.efn.org/~rick/work/MCHPFSUSB/

9) USB Midi (using gpasm and sdcc). It is said that the firmware is also based on the Microchip Firmware Framework.
http://www.ucapps.de/mbhp_usb_pic.html