There are plenty of apps that provide varying levels of window-manager functionality to OS X. I would try a couple out and see which feels right to you. I have tried most of them, and personally prefer Moom.
http://manytricks.com/moom/ http://mizage.com/divvy/ http://ianyh.com/amethyst/ http://spectacleapp.com/ https://github.com/fjolnir/xnomad https://itunes.apple.com/us/app/bettersnaptool/id417375580?m.... https://github.com/sdegutis/mjolnir