The 0.31 version of AcmeSAC for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The most popular version among the program users is 0.3. The app's installation file is commonly found as AcmeSAC-0.31.dmg. This free Mac app is a product of Acme-sac. The software is categorized as Developer Tools.
From the developer:
Acme is a programmer's text editor, shell, and user interface. It runs on a virtualized operating system, Inferno, that runs hosted on Windows, Linux, Solaris, and MacOSX. This program is a rich system for working with text-oriented applications.
You can build the limbo source tree from inside acme: % cd /appl/, % mk install.
You may want to check out more software for Mac, such as PowerGlot, flex sdk 3 or Ganymede, which might be related to AcmeSAC.