OES is a versatile editing and publishing environment that can be adapted to different needs thanks to its modular architecture. Additional functionalities and visualisations can be integrated via OES modules in a targeted manner. A standard version is available via the OES demo. Several applications have already been implemented in various academic contexts, ranging from encyclopaedias and compendiums to living handbooks. You can find an overview of the applications and projects using OES on the respective subpages.