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:

• Capability of multiple concurrent connections if multiple serial ports are available.
• Display of received data in textual or hexadecimal format.
• Sending data via keypresses as well as a "Send String" dialog that support data entry in textual or hexadecimal format.
• Sending data via pasting of text into the terminal window.
• Sending of text files.
• Capability of recording received data to text files.
• Local echoing of transmitted data.
• Local echoing of received data (loop back to sender).
• Hardware (CTS, DTR) and software flow control (XON).
• Optical line status indicators.
• Capability of manually toggling RTS and DTR signals when hardware flow control is disabled.
• Capability of loading and saving connection options.

What's New in version 1.3.0:

New features:

• Added a transmit line delay option which adds a specified delay after certain characters such as new line characters (configurable).
• Added a transmit character delay option (configurable).
• Added a "Connection/Send Break" menu item for sending serial breaks.
• Added the option to play a notification sound after a text file has been sent.
• Added auto-connect feature.
• Added the .hex file extension to the "Text Files" file type set (for the "Send Text File" dialog).
• It is now possible to have default settings loaded at startup and when a new terminal window is opened. If a default.stc settings file exsists in the application folder of CoolTerm, it will be applied to new terminal windows.
• Added a menu item to save current settings as default settings.

Improvements:

• Pressing ENTER or RETURN in the connection settings dialog now envokes the "Ok" button, even if a textfield is currently selected.
• Pressing ESC in the connection settings dialog now envokes the "Cancel" button, even if a textfield is currently selected.
• Pressing Shift+ENTER or Shift+RETURN now invokes the "Send" button in "Send String" windows.
• Improved handling of command line arguments.
• The values for "Receive Buffer Size" and the character and line delays are now limited to a range from 0 to a maximum value (2,147,483,647 and 10,000, respectively).
• When a "Send String" window is opened, the text field now receives focus automatically.
• Improved exception handling and error reporting.
• Improved behavior of the command history buffer and menu.
• GUI improvements.

Fixes:

• Fixed a bug that allowed opening multiple "Save As..." for the same Terminal window dialogs on Windows.
• Fixed a bug that could cause a StackOverflow on serial port errors due to calling port.flush
• Fixed bug that could cause a crash when sending empty strings via a "Send String" window.
• (Win) Fixed issue that would allow the terminal window to be activated via the taskbar when the connection options window is open.
• Several minor bug fixes.