Free Serial Port Monitor
Free software serial port monitor, Com Rs232 sniffer with communication packet data analyzer.
**FREE DOWNLOAD (v3.31)**
File Size: 2892KB | Safe & Verified
Programming
Debugging Tools
Freeware
Key Features
- Free software serial port monitor, Com Rs232 sniffer with communication packet data analyzer.
- This monitoring utility can spy, capture, view, analyze, test com ports activity performing com port connection and traffic analysis with data acquisition and control.
- You can use this system as device interface testing tool, modem data transfer viewer and so on.
Technical Specifications
- **Publisher:** Serial-port-monitor.com
- **License:** Freeware
- **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
- **Last Updated:** October 15, 2025
- **Category:** Programming / Debugging Tools
User Rating
Based on 156 reviews.