CoolTerm

Name: CoolTerm
Rating: 4.8 (9 reviews)

Version 2.0.1.3.4.1150

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Free

Absolutely Free

Download (16.2 MB)

CoolTerm overview

CoolTerm is a simple serial-port terminal application (no terminal emulation) that is geared towards hobbyists and professionals with a need to exchange data with hardware connected to serial ports such as servo controllers, robotic kits, GPS receivers, microcontrollers, etc.

Features include display of received data in text or hexadecimal format, support for multiple concurrent connection (if multiple serial ports are available), the ability to send data in text or hexadecimal format, local echo, hardware (CTS, DTR) and software flow control (XON), logging of received data to text files, and more. Written in Xojo.

What’s new in version 2.0.1.3.4.1150

Updated on Dec 21 2022

Bug fixes

Previous sessions are now restored even after an improper termination of the app.
CoolTerm no longer tries to open an send progress window when sending macros with a lot of text, to prevent a ThreadAccessingUI exception.
[Win] Fixed bug that would freeze the terminal window in plain text mode when moving it between screens with different display scaling factors (e.g. moving from a HiDPI screen to a non-HiDPI screen).
Fixed bug that caused the serial port info button to not be populated with information when the Connection Options window first opened.
fixed bug that would overwrite some chart properties when the dialog opens.
Fixed bug that would cause traces to be drawn incorrectly when plotting against "Time of day" on the x-axis when timestamps include milliseconds.
[Win][Linux] fixed bug that would tell the user that the scripting sockets are already in use when a 2nd instance of CoolTerm is launched and scripting sockets are enabled.
[Win][Linux] fixed bug that would make the built-in help view not accessible when opened from the Chart and Trace Properties windows.
[macOS] added code to prevent being able to close Connection Options or Trace Properties windows while a color picker window is still open as that could otherwise crash the app.

Full list of changes available here

View older CoolTerm updates

Information

License

Free

Size

16.2 MB

Developer’s website

https://freeware.the-meiers.org/

Downloads

137635

App requirements

Intel 64
Apple Silicon
macOS 10.14 or later

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Comments
User Ratings

brynparrott

Jan 10 2022

1.9.1

Version: 1.9.1

I'd just like to say thanks for making this App free. I deperately need to monitor two USB comm ports simultaneously; allowing me to interact with two separate MCU devices at the same time whilst they communicate via I2C in the background. In fact they seem to be having some trouble; so I need to view the debug on both at the same time to see whats going on.

chdelajoux

Feb 15 2021

1.8.0.3.861

5.0

Version: 1.8.0.3.861

2 cool

Guest

Feb 15 2015

1.4.5.3.242

Version: 1.4.5.3.242

I use CoolTerm little, but since years. Wanted to say Thank you. Very nice app.

MikeL9213

Jun 14 2014

1.4.3.3.203

Version: 1.4.3.3.203

Great app, thanks for making this available for free. I work a lot with embedded hardware and this is perfect for that. The hex view is especially useful. Thanks.

mr-rebo

Nov 23 2011

1.4.1.3.162

Version: 1.4.1.3.162

Not only is it LION compatible, but the ability to control it with applescript is great. A big improvement over my old terminal program.

Naoh

Sep 13 2011

1.4.0.3.157

Version: 1.4.0.3.157

This looks like a great alternative to DockLight on Windows. I look forward to trying it out. Maybe I will find myself with even fewer reasons to dual-boot my Mac.

Stonebleeds

Aug 1 2010

1.2.0.94

Version: 1.2.0.94

This is an excellent piece of software that let my Mac keep in touch with my older equipment better than Terminal did.

Ixulian

Sep 9 2009

1.1.2

4.0

Version: 1.1.2

Great app. After finding out that Zterm did not work with Snow Leopard and my USB to Serial adapter, I found out about CoolTerm... I use it to configure Cisco devices, and so far it's been working great. The only problem I found was that I can't recall previous entered commands by pressing the up arrow key. If this feature was added, then I'd give it 5 stars.

Etj

May 21 2009

1.0

Version: 1.0

Great little app. Does what it says and useful for those who need this sort of thing. There are still lots of pure serial devices out there, and so for Mac types to try prototyping things this is a great help.