GovCode.org provides the best view. [powered by the Social Media Registry]
- Websites
- Tools
- Maps
- Hosted CSVs
- Simple API
- Presentations
- 3D Models
- A search across .gov sites returns a handful of STL files, which are copied here to serve as examples.
- HTML5 Games
- Document Publishing
- Data Hosting
- Issue Tracker
- Subscription Engine