MacDown - MacDown is an open source Markdown editor for OS X, released under the MIT License.
Chroma - Welcome to Chroma Cutlery Cnife - Manufacturer of kitchen knives, includes products and contact information.
iA Writer - Minimal Design, Maximum Focus
Sketch Palettes - Sketch plugin to save and load colors into the color picker
MWeb - Pro Markdown writing, note taking and static blog generator
Colordot for iOS - A color picker for humans.