Boxes is free software under the GNU General Public License (GNU GPL), version 2.
The current release is version 1.2. For older revisions, feel free to browse the release history.
The boxes sources are now all on GitHub, including previous releases:
The author currently creates binaries for intel/win32 only. Boxes has originally been developed on Unix, is made of highly portable code, and it being run on a very wide variety of platforms. For older releases, some of the binaries created are available via the release history. If you have new binaries for different and/or new platforms, please send them in to be added there.
Binaries available for download: https://github.com/ascii-boxes/boxes/releases
According to boxes user Michel, boxes can be installed on MacOS X by simply typing
brew install boxes. (Information of October 3, 2012)
Debian and debian-based, such as Ubuntu, including Windows 10 Ubuntu Subsystem
apt-get install boxes