Google Open Source - All of Googles open source projects under a single umbrella
Thankbot - Drive more business with handwritten notes
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.
Code NASA - 253 NASA open source software projects
Felt for iPhone - Handwritten cards for the modern world