The long-awaited paper describing Cassandra and its features has finally been published (Journal of Computational Chemistry, 2017, 38, 1727-1739).The different features and algorithms used in Cassandra are described, along with implementation details and theoretical underpinnings to various methods used. Benchmark and example calculations are shown, and information on how users can obtain the package and contribute to it are provided. We also made the cover! Please cite this paper if you use Cassandra.