IndieZen is an open source game engine framework with three separate tools for game development: 1) Zen Engine, a high performance 3D game engine client framework. 2) Zen Studio, an integrated game development environment, and 3) Zen Worlds, a new framework for virtual worlds, online community, and massive multiplayer online games.
Tool Classification:
Functions=
(Engines - Game) (IDE, compiler)
Qualifiers=
(Engine, w/authoring tools) (Engine, game libraries) (Open source) (Free)
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