Elecraft
39
Freeware
Maintain frequency memories using a spreadsheet format.
Retrospec
8
Freeware
SGE is a PC/Amiga based utility for manipulating the graphics.
12
MEFMedia Systems Co., Ltd.
5,126
Freeware
Play, record, analyze, edit, and convert audio files on your PC.
1
Mystik Media
6
Shareware
Audioalchemy OGG edition is a program that converts audio files into OGG format.
59
NITBits Inc.
1,082
Shareware
This is a full-featured audio editing and mastering tool for popular formats.
5
MP3DO Inc.
233
Shareware
Edit sound files in various formats with this easy-to-use application.
8
Mightsoft Co., Ltd.
592
Shareware
Full-featured audio editing tool with recording and conversion capabilities.
1
Dew Research
16
Shareware
Time series and frequency spectrum analyzer for scientists and engineers.
1
Sonic Spot
3
Shareware
Provides the functionality of an audio frequency spectrum analyser.
Raspopov
12
Freeware
Wtune is a single track recorder to MIDI file and a spectrum analyzer/frequency.
Nuts About Nets, LLC
54
Shareware
Clear Waves is a RF Spectrum Analyzer & Frequency Coordination program.
5
Claus Jahn
28
Freeware
ZX-Editor is a text editor for ZX-Spectrum emulator files.
Fuse team
Open source
Fuse (Free Unix Spectrum Emulator) is, unsurprisingly, a ZX Spectrum emulator.
6
Vaggelis Kapartzianis
Freeware
ZX32 Spectrum Emulator is a program that can emulate a ZX Spectrum in your PC.
Aidiga
9
Freeware
MDS Audio Spectrum Analyzer is designed for real time audio spectrum analysis.
4
Texas Instruments Inc
30
Freeware
A tool to jumpstart radio frequency development in the sub-GHz frequency range.
PilotEdit
413
Freeware
It's a text editor, html editor, php editor, java editor and hex editor.