PEAR - Connecting newsletters and advertisers 🍐
Quick License Manager - Quick License Manager (QLM) is a license protection framework that creates professional and secure license keys to protect software against piracy.
Newsletter Operating System - All-in-one dashboard to launch & grow your newsletter
Labs64 NetLicensing - Monetize your digital products and services
Revue - The easiest way to create and send a curated newsletter
LicenseSpring - Reliable and easy to use License-As-A-Service (LaaS) for for any software application