- RSS alerts
- HTML support
- Built-in search
- File storage capability (10MB for free users and 1000MB for premium users)
- 1-click ability to backup your wiki
- SSL encrypted access
- Pre-made skins for free users and unlimited customization for premium users
pbWiki looks like it is built in PHP based on the TipiWiki project and run on an open-source infrastructure.
The service is entirely hosted on Open Source infrastructure, including Linux, Apache, and PHP.