LinuxLinks published an overview of the 8 best free and open source Linux renderers.
8 Best Free and Open Source Linux Renderers
One of the many strengths of Linux is its good range of open source software for artists, photographers, animators, and designers. With inexpensive hardware, free software, and a modicum of talent and inspiration, anyone can create professional-looking computer graphics. Here's our recommended free and open source software for rendering.
8 Best Free and Open Source Linux Renderers