Blackmagic Design has made Fusion 7 Free:

Download: https://www.blackmagicdesign.com/products/fusion

Free training: https://www.blackmagicdesign.com/products/fusion/training

Davinci Resolve Color Correction/Editor is also free from BMD:

Download: https://www.blackmagicdesign.com/products/davinciresolve

Free training: https://www.classondemand.net/online/bmd/getting-started-davinci-resolve-lite-training.aspx and http://www.colorgradingcentral.com/davinci-resolve-tutorials editing in Resolve: https://www.youtube.com/watch?v=Vj8XFvREmk0 NOT FREE, BUT GOOD: https://mixinglight.com/color-correction-tutorials/davinci-resolve-11-tutorial-series/. ALSO NOT FREE, BUT GOOD: http://www.rippletraining.com/categories/avid-adobe-davinci-courses/davinci-resolve-products/editing-in-davinci-resolve-11.html