toxic is a physically correct global illumination renderer aiming to produce photorealistic images and animations.
toxic's goal is to provide artists with a free, powerful rendering tool which is actively maintained, developed and extended.
toxic is an open source project, available on SourceForge, and licensed under the GPL license. That means that:
toxic is free for commercial and non-commercial use.
toxic sources are freely available, modifiable and redistributable.
toxic sources may be used in any open source project licensed under the GPL license.