ZX Spectrum hardware DIY
sinclair zx spectrum hardware interface projects
http://members.tripod.com/~piters/zx.htm

Utilities in Fortran 90
Fortran 90 code by Michel Olagnon: pre-processor and pretty-printer, with command-line interface for Unix, fsplit utility for splitting large files into separate ones for each procedure, PostScript converter, interface bloc generator, and format creator for numeric strings.
http://www.ifremer.fr/ditigo/molagnon/fortran90/contenu.html

AudioCommander
Converter, encoder, decoder, and ripper with complete command line support for CD, MP3, WAV, WMA, OGG, VOX, A-LAW, u-LAW, AIFF, AU, DSP, GSM, RAW, MPC, and more.
http://www.mystikmedia.com/audiocommander.asp

Cyclone
An Interface for Apple Text Encoding Converter: Cyclone is a text converting utility application for the Macintosh that uses Apple Text Encoding Converter. Macintosh, Unicode, ISO, DOS, Windows, and other encodings.
http://free.abracode.com/cyclone/

Universal Document Converter
Transforms documents into image formats via the print facilities in other applications. Includes COM interface.
http://www.print-driver.com/

Manolov, Borislav
Personal website of Borislav Manolov
http://www.uni-bonn.de/~manfear/

MP3 WAV Converter
MP3 to WAV Converter help you convert mp3 to wav, wav to mp3, it's a mp3&wav converter, mp3 wav converter, mp3 encoder, mp3 decoder, and get a free cd ripper.
http://www.americanshareware.com/

Audio Tools Factory
MP3 Cutter Joiner, MP3 Recorder, RM to MP3 Converter, CD to MP3 Ripper free download by Audio Tools Factory.
http://www.audiotoolsfactory.com

TCPCOM RS232 to TCP/IP Converter
TCP/Com - RS232 to TCP/IP Converter Software (Serial to TCP/IP converter)
http://www.taltech.com/TALtech_web/products/tcpcom.html

Zip-Gee Technoogies
Disk and file cataloging software which helps you to effective organize, maintain and explore your media collections. Disk Inspector catalogs your Audio CD and MP3's content (including ID3 Tags), DVD Movies, Digital photos and pictures, Software and Documents.
http://www.diskinspector.com/