Qwiki - Find and Read Articles on Wikipedia from your Mac menu bar!
QuickMark - QuickMark makes everything possible.
Endless - Random and amazing Wikipedia articles.
QR Code Reader “Q” - Formerly QR Code Reader “Q,” now QRQR, is a smart code reader application.
Wikipedia - Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Lynkee Reader - Lynkee Reader is the best QR & Barcode Reader application on the market.