Cold Storage
Beginner Friendly
BitBox - The easiest way to keep your coins safe.
Jade - Easy-to-use, purely open-source hardware wallet that offers advanced security.
More Advanced Friendly
ColdCard - The world’s most trusted and secure Bitcoin Signing Device.
SeedSigner - An offline, air-gapped bitcoin transaction signing device built from off-the-shelf components for less than $50.
Clocks
BTClock - An open-source block-shaped “clock” which can show you information related to bitcoin. It is open-source and you can build it yourself.