Portable password safes:

Mooltipass, display, USB, smartcard, all open, in development
http://hackaday.io/project/86-Mooltipass
http://hackaday.com/tag/developed-on-hackaday/
https://github.com/limpkin/mooltipass

myIDkey, biometric authentication, display, closed source, USB/WLAN/BT, $249
https://www.kickstarter.com/projects/myidkey/myidkey-passwords-at-the-tip-of-your-finger
http://myidkey.com/
(auto-starting video)
3.2 x 1.43 x 0.92 in / 81.3 x 36.3 x 23.4 mm / 1" OLED


USB dongle (standalone):

YubiKey, password store / OTP / challenge-response, USB (NFC opt),
  validation server, closed, $25/$40/$50
https://www.yubico.com/products/yubikey-hardware/yubikey/

The Final Key, password store, no unlock ?, USB, all open, DIY
http://cyberstalker.dk/finalkey/
http://hackaday.com/2014/01/21/final-key-a-mooltipass-like-device/

USBPass, pw store, USB, open, in development
http://hackaday.com/2014/01/01/usbpass-a-mooltipass-like-project/

Similar:
http://hackaday.com/2012/03/05/usb-dongle-generates-and-enters-your-passwords-so-you-dont-have-to/
http://codeandlife.com/2012/03/03/diy-usb-password-generator/

Similar, AnyKey:
http://hackaday.com/2014/01/01/usbpass-a-mooltipass-like-project/#comment-1153211

Similar, closed (windows-only config util), $24:
http://www.usbbutton.com/

Aladdin, one pw, no auth, USB, $20, still alive ?
https://www.indiegogo.com/projects/aladdin-key-to-remember-open-source-hardware


USB dongle (part of system):

LogMeOnc: USB dongle, "trusted/intelligent storage" (2-factor), PC-based,
  apparently closed, $45-135 (mini/std/+phone chharger - battery)
https://www.kickstarter.com/projects/199263837/logmeonce-your-password-manager-secure-usb-and-pho
https://www.logmeonce.com/


Wearables:

NFC ring, token, Open Source, UKP 29.99/32.99
http://nfcring.com/
http://wonderfulengineering.com/make-your-life-easier-with-this-smart-nfc-ring/
https://www.kickstarter.com/projects/mclear/nfc-ring

BTLE ring, gestures, "smart ring", closed source, $145-$185 (KS)
https://www.kickstarter.com/projects/1761670738/ring-shortcut-everything
http://logbar.jp/ring/

Nymi bracelet, biometric (cardiac), BTLE, $79
http://www.getnymi.com/