Our website provided a free download of extraterm 0.59.2 for Mac. The software lies within Developer Tools, more precisely Webmaster Tools. The actual developer of this free software for Mac is Simon Edwards.
From the developer:
Extraterm is the Swiss army chainsaw of terminal emulators. Extraterm is more than just a terminal emulator. The application provides a toolbox for working with your terminal and command line applications. The tool is suitable for multiple platforms.
You may want to check out more Mac applications, such as AcidSearch Installer, solr or joomla-, which might be related to extraterm.