Sony Imageworks have released five of their in-house tools as open source software. CTO Rob Bredow writes: Open Source: It's always been a part of what makes Imageworks tick. However, up until now we haven't had a chance to contribute back to the open source community. We're beginning to change that now. We've chosen 5 projects to release as open source. This software can be freely used by large and small studios around the world. We've intentionally chosen popular non-restrictive licensing models to&h