http://margo.student.utwente.nl/el/micros/6502/svasm02.zip
http://margo.student.utwente.nl/el/micros/xgcchc11.zip
http://margo.student.utwente.nl/el/micros/80xx/eforth51.zip
http://margo.student.utwente.nl/el/micros/6502/as65_108.zip
VPR is a placement and routing tool for array-based FPGAs.
http://www.eecg.toronto.edu/~vaughn/vpr/vpr.html
Firmware Factory is a public domain Windows95/NT based development environment for microcontrollers.
http://www.geocities.com/SiliconValley/Cable/3439/
(MDS Technology) Shareware
http://margo.student.utwente.nl/el/micros/80xx/8051exec.zip
This library contains MAGIC pad cells for the PixelFlow project's custom chips.
http://www.cs.unc.edu/~msl/PadLibrary