Hardware & software:
- Google Photos at https://photos.google.com for free from Andy Ihnatko.
- appFigures (iPhone) for free from Rene Ritchie.
- Wunderlist (iOS) for free from Leo Laporte.
- Lutron P-BDG-PKG2W Caseta Wireless Smart Lighting In-Wall Dimmer Kit, HomeKit-enabled, P-BDG-PKG2W
for $229 (Amazon Affiliate Link) from Serenity Caldwell.