Hardware & software:
- SquareSpace Note (iOS) for free from Leo Laporte.
- Aereo at https://www.aereo.com for various from Andy Ihnatko.
- FriendsPlusMe at http://friendsplus.me for from Adam Engst.
- Hundreds (for iPad) at for $4.99 from Rene Ritchie.
- TripIt (for iOS) for free from Rene Ritchie.