Glassfy - Build, manage, and grow in-app subscriptions. Glassfy is the infrastructure (open source SDK, backend, dashboard) to integrate subscriptions in minutes, manage products & permissions remotely, check real time metrics, and remotely configure paywalls.

Spend Bill Gates' Money - Find out what and all you can buy with Bill's money 🤑

RevenueCat - In-app subscriptions made easy

ThinkTwice - Do you really *need* to buy something?

Corrily - The all-in-one platform to design, test, deploy and analyze your monetization strategies across web and mobile

Threadable - Making group email lists less noisy, more actionable