Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
FilterGrade - Gorgeous photography filters for Photoshop
Sketch - Professional digital design for Mac.
CSS Hat - Turn layers from Photoshop CC 2014 to code instantly.
Adobe Illustrator - Adobe Illustrator is a vector graphics editor.
Stylizer - A productivity-focused real-time CSS editor for serious web developers. Mac OS X and Windows.