Hardware & software:
- Computable – Karl Traunmueller (for iPad) for free (for now) from Leo Laporte.
- Cortex Camera – Whimsical Productions (iOS) for $2.99 from Andy Ihnatko.
- Capo touch – SuperMegaUltraGroovy, Inc. (for iOS) for $4.99 from Rene Ritchie.
- DoNotLink.com at http://donotlink.com for free from Andy Ihnatko.
Books:
- The Martian for $10.79 (on Amazon) from Leo Laporte.