Blockchain Demo - Visual demonstration of blockchain technology
MacDown - MacDown is an open source Markdown editor for OS X, released under the MIT License.
Block Protocol - A POWERFUL NEW PROTOCOL FOR DEVELOPERSBuild and use interactive blocks connected to the world of structured dataAn open standard for building and using data-driven blocks.
Frost - An open API for Blockchain timestamping
Aurora - Download apks from Google Play Store
Typora - A minimal Markdown reading & writing app.