mxcl/homebrew — pull request #9537 by farazyashar (2012-01-11 10:40:04+00:00)
Title: Formula for installing the ZeroMQ library 

Formula for installing ZeroMQ version 2.11 (current stable release) from tarball source. They have the code hosted on a github repository too, but I didn't have the chance to add it. Beta v3 is also available on their site.