Hardware & software:
- The Swift Programming Language – Apple Inc. for free from Leo Laporte.
- Cisco Meraki at https://meraki.cisco.com for various (MX60 was mentioned) from Alex Lindsay.
- HoRNDIS at http://joshuawise.com/horndis for free from Andy Ihnatko.
- Vesper – Q Branch (for iPhone) for $4.99 from Rene Ritchie.