VisualCode - QR codes for everything
QR.io - Generate fully customized QR Codes, with color shape & logo
Delmondo - Delmondo enables brands to produce, measure and monetize influencer marketing and creator content, as well as Snapchat analytics for brands.
Link to QR - Free beautiful QR codes
Visualead - Visual QR code generator
RoboLike - RoboLike bot earns you organic followers with auto likes on other accounts.