Founders Nation - Find or become a startup cofounder
QR-Code Generator - QR Code Generator lets you create memorable marketing campaigns with trackable QR Codes—designed by you.
CoFoundersLab - Meet 250,000+ entrepreneurs online
The QR Code Generator - Free Online QR Code Generator to make your own QR Codes. Supports Dynamic Codes, Tracking, Analytics, Free text, vCards and more.
Findnlink - Find people to work with on your ideas.
QRTiger - The most advanced QR Code Generator with logo online