overtone analyzer

A professional software-only USB protocol analyzer

Powerful disk space usage analyzer with folder size, charts and clickable report

Celerity - powerful C/C++ source code analyzer for a critical or large code base

Software USB port sniffer, monitor tool with protocol analyzer and data logger

Software serial port monitor Rs232 com sniffer with protocol logger and analyzer

DiskAnalyzer Personal is a hard disk space usage analyzer and manager.

DiskAnalyzer Pro is a hard disk space usage analyzer and management software

Packet sniffer (network analyzer) for network monitoring and troubleshooting.

CommView is a powerful network monitor and analyzer.

MTuner is a simple audio frequency analyzer for tuning guitars and others.