A fully-dynamic voxel-based global illumination system for Unity. More details at http://www.sonicether.com/segi/
Check the Releases section above to download a version of SEGI that is a simple .unitypackage file which is ready for you to import into your project.
You can also click the "Clone or Download" button and select "Download Zip", then extract the contents to "Assets/SEGI" in your project to test out the latest unreleased versions of SEGI.
All the scripts and files for SEGI must be in "Assets/SEGI" for SEGI to fully function properly in your project.
Please refer to the User Guide.pdf for usage instructions.
If you need some help, feel free to ask any questions in the official thread on Unity forums.