Caucus must be downloaded as source, and then built (compiled) on your server. 

(Caucus is fully open source, and may be used by anyone.  See the license page for details.)

This release is known to build properly on

• RedHat Enterprise Linux 5 and CentOS 5 (and higher).
• RedHat Fedora 6 and higher.
• Debian (Sarge)
• Solaris 9
• MacOS X 10.4 ("Tiger")

Downloads

• caucus5.139.222 (Jan 2019 tar.gz file)
• The source is also maintained at github; for access, email us at
  

Older versions

• Caucus 2.7 documentation (ye olde text-only interface)
• Caucus 4.3 documentation
• Caucus 4.09 source code (circa March 1998)
• Build Caucus 2 from Caucus 4 kit (circa March 1998, built for Linux 2016)
• Caucus 2.5 source (ancient)