MacDown - MacDown is an open source Markdown editor for OS X, released under the MIT License.

Workona - A better way to work in the browser.

Frost - An open API for Blockchain timestamping

OneTab - Whenever you find yourself with too many tabs, click the OneTab icon to convert all of your tabs into a list. When you need to access the tabs again, you can either restore them individually or all at once.

Typora - A minimal Markdown reading & writing app.

Session Buddy - Manage Your Browser Sessions