Signet
Signet is a free and open source software and open hardware USB storage and encryption device that also acts as a password manager. Signet identifies as a USB keyboard allowing it to type your data when you need it. You can purchase a Signet now at Crowd Supply.
We have created a more advanced Signet device called Signet High-Capacity which is available for pre-order. Signet High-Capacity features a high-speed USB interface, 32GB of encrypted mass storage, two-factor authentication, and new cryptographic features. Visit the campaign page for more information and to pre-order to get your own Signet HC.