Four libraries founded Missouri Evergreen in the spring of 2012. In the 9 years since that time, the consortium has grown to ... include 57 libraries. Member libraries share a cloud-hosted integrated library system (ILS) called Evergreen, which is open source software. This allows patrons and staff at member libraries to request books from other member libraries as though they are two branches of the same library system.The Missouri State Library uses LSTA funding via a contract with Equinox to provide technical support for this system. Patrons of Missouri Evergreen libraries enjoy one-click access to more than 3.8 million items available for pick-up at any one of the 140 branch locations. read more