ProWritingAid - For the smarter writer. A grammar checker, style editor, and writing mentor in one package.
Labs64 NetLicensing - Monetize your digital products and services
Turnitin - Turnitin is preferred by educational institutions around the world for preventing plagiarism. Instructors at all levels of education can request that students use the service to submit papers, and Turnitin checks those papers for plagiarism.
10Duke Enterprise - Powerful cloud-based licensing solution designed for fast-growing software businesses looking to scale up software licensing & minimize friction.
Keygen - A dead-simple software licensing API built for developers
VMProtect - VMProtect Ultimate - All-In-One Solution For Software Licensing And Protection.