Skylum Software is now giving away Luminar 3 for free.
About Luminar 3
Luminar 3 is a full-featured photo editor for Mac and PC. It brings over 300 robust tools and features, including fast RAW support, layers, custom brush for selective editing, masking, dozens of photo filters with custom adjustments, Luminar Looks and a lot more. Luminar features advanced controls that are easy to use. Intelligent filters like Accent AI 2.0 makes it easy to get a great looking image in seconds.