Omnia 1.0 is ready for beta testing! To install, you just need a working python / conda installation (see http://docs.continuum.io/anaconda/install.html) and the following commands:
conda config --add channels omnia conda install omnia
To install a single package, such as OpenMM, you can use the shorthand
conda install -c omnia openmm
For more details or to report issues, visit our GitHub page (https://github.com/omnia-md/omnia-md).