1. Introduction

CrystalSpace is a portable modular 3D SDK, including many components for building various applications and games - these are still quite useful for projects that do not involve 3D. CS is still very much in development, so anyone who feels inclined to do so can contribute to the source. There are a number of incomplete components still needing to be finished, and a wide array of possibilities for new contributions; for more information about what is missing and a list of currently known bugs, please visit the Developer's Project page at SourceForge:

http://sourceforge.net/projects/crystal/

CrystalSpace is free and should remain free. CrystalSpace falls under the GNU copyleft license for libraries LGPL. A copy of of the LGPL is included in this manual for your perusal (see section Licenses). In short, the LGPL allows you to use CrystalSpace as a library in your products, even commercial products, but modifications to the library or derivative works incorporating parts of the library must be made freely available to everyone, under the LGPL's terms.

Please read the FAQ if you have any questions. If you don't find the answer there you can always email the mailing lists. See section Frequently Asked Questions (FAQ), or Mailing Lists.

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