Fusion "UHD" - FreeFusion Studio - $995Studio Adds:-Greater than UHD Resolutions-Network Rendering-Optical Flow Tools-OFX Plugin Support-Bin Server Asset Sharing-More Advanced Scripting Support-Stereo 3D Tools (Formerly Dimension)-Generation Collaboration Tools (similar to Hiero)Still Windows only at this point, but this is a really nice application. If you have a box to run it on, definitely try it out. Beyond compositing, 3D shapes, and particles, it has some fantastic color tools.Download: