The Cumulonimbus Engine is a rendering engine written in C++ / OpenGL. It allows programmers to create and update dynamic scenes with a variety of effects and features. All effects and features can be enabled, disabled and modified, and additional effects can be added. It has a simple and powerful API that makes object management, animation and rendering easy - allowing you to worry about the application itself - be it a game, design or visualization application. Currently, the Engine is being used for the game, Aero Empire.
Screenshots taken using the Cumulonimbus Engine and a scene from the game, Aero Empire. Various effects listed on the summary page are showcased.