Hacker News Stack - Focus on the really fresh and unread news in Hacker News.
Crypti - A minimal cross-platform Bitcoin price widget
Hacker Newsletter - Best of Hacker News in your inbox every Friday.
Coin Demo - Visual demonstration of how bitcoin transactions work
Box Piper Hacker News - Re-Imagined Hacker News for this decade.
Exploratu - Exploratu is an app that converts prices in real-time through the camera and its optical character recognition (OCR) algorithm.