Keygen - A dead-simple software licensing API built for developers
Quick License Manager - Quick License Manager (QLM) is a license protection framework that creates professional and secure license keys to protect software against piracy.
CodeMeter - License Management
VIZOR - Build the Immersive Web with Vizor as easy as drag and drop.
Labs64 NetLicensing - Monetize your digital products and services
CopySafe - CopySafe is online data protection software for copy protection, data encryption and security. Ideal for maintaining data privacy and avoiding plagiarism.