Summary omegalib is a middleware designed to ease the development of applications on virtual reality and immersive systems. Its main features are: Support for hybrid systems, presenting high definition 2d and 3d content on the same display surface Display system scalability Support for a wide range of input peripherals (controllers, motion capture systems, touch surfaces) Integration with third party higher level toolkits like Unity, vtk, Open Scene Graph, Qt. Altough omegalib is designed mostly to run on VR systems, it can be used to develop applications on standard desktop systems as well, leveraging the power of multiple Gpu units when available Omegalib 2.1 is mostly a bookkeeping / work-in-progress tag, before some refactoring work for omegalib 3.0 Major Changes omega Added support for headless master nodes on cluster configs Improved equalizer code for cluster configs Added preliminary support for cylindrical display configs Python API redesigned to more ...