- Fifty Nifty United States
- roll-your-own nifty desktop background images
- Tamber's Nifty Fifties Diner
- Is It Not Nifty?
- nifty (user)
- I've got nifty things to do in September but it's not September yet.
- Nifty New Feature: Cool Archive
- Dummy a combination lock to make it easy to remember the combo