Keygen - A dead-simple software licensing API built for developers
Revenera Usage Intelligence - The first usage analytics solution purpose-built for distributed software applications provides deep insight on product feature use.
Labs64 NetLicensing - Monetize your digital products and services
LicenseSpring - Reliable and easy to use License-As-A-Service (LaaS) for for any software application
LibAppTelemetry - A library to send software distribution/installation/usage statistics to Google Analytics.
wyDay LimeLM - Use LimeLM to add hardware-locked licensing, online activation, and timed trials to your app.