Download Nuke Non Commerical
Nuke User Interface &
Intro to Comp Bundle
If you are interested in compositing, there is no better program out there than Nuke. Unfortunately, it is a little intimidating to figure out just which version of Nuke you should download and use.
Hence, I made a video explaining the major differences between the different free versions of Nuke and my personal recommendation to someone who is just starting out.
Also, if you are interested in learning Nuke, I recommend you save yourself a ton of headaches and get my Nuke UI (currently the world most in-depth Nuke UI Tutorial) & Intro to Comp Bundle.
Use the coupon code : gomakeawesome to save a further 25% on the bundle