HackerWeb - A simple and readable Hacker News app
GitHub Visualizer - Enter user/repo and see the project visually
HackerScroll - Read top articles from HackerNews in a clean, simple and minimal interface without ads or any other distractions.
Codeology - Open-source algorithm that visualizes GitHub projects
HNwatcher - Track keywords and users on Hacker News
The GitHub Matrix Screensaver - Latest commits from GitHub visualized Matrix-style