*Formal site of SRA (Software Research Associates,Inc.) (SRA site)
http://www.sra.co.jp/public/sra/technical/jun/ (in Japanese)

*Site of the developer of "Jun" in SRA Key Technology Laboratory, Inc. (SRA site)
http://www.sra.co.jp/people/aoki/Jun/

*QuickTime home page (Apple site)
http://www.apple.com/quicktime/

*VisualWorks home page (Cincom site)
http://smalltalk.cincom.com/