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Editors' Review · October 21, 2026

Comprehensive Review of CoolTerm for Mac

CoolTerm is a versatile serial port application designed for data exchange between a computer and various devices, such as robotics and GPS systems. This free software is particularly beneficial for hobbyists and technicians, offering a cost-effective alternative to expensive hardware solutions. Operating seamlessly on Mac OS, CoolTerm allows users to establish connections with multiple devices, facilitating efficient data communication. Its user-friendly interface and robust functionality make it accessible to those familiar with basic coding concepts, although some prior experience is recommended for optimal use.

Key features of CoolTerm include support for both hexadecimal and text data formats, as well as compatibility with CTS, DTR, and software flow control (XON). The application is lightweight, with a total file size of just 8.5 megabytes, ensuring quick installation and minimal resource consumption. Additionally, CoolTerm's comprehensive help section aids users in navigating its features, making it a practical choice for anyone needing to manage serial data communications effectively.

Enlarged image for CoolTerm
CoolTerm 0/1

Technical

Title
CoolTerm 1.4.7.3.427 for Mac
Requirements
Mac OS X
Language
English
Available languages
English
License
Free
Latest update
Author
Roger's Fwware

Program available in other languages



Changelog

We don’t have any change log information yet for version 1.4.7.3.427 of CoolTerm. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.

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