For my reference:
To try:
- Pownce, Twitter – (not too interested though, network effect/usefulness?)
Backend
- Bugzilla (bug system)
- MediaWiki (Wiki system)
- OpenX (ad system)
- Plone (CMS)
- Simple Machines Forum (forums)
- WordPress (blog software)
- ZenCart (shopping cart)
Frontend
- Search, Gmail, Groups, Calendar, Maps, Docs
Fat clients (while I'm here…)
- Firefox
- Thunderbird
- iTunes, iPhoto
- iChat
- CyberDuck
- Photoshop, Fireworks
- Numbers, Keynote
- TextEdit, Grab, Flickr Uploader
- Mac OS X 10.5.x, Windows Vista xx