Webhook.site is a service that offers tools for creating, managing, and testing webhooks. The platform was initially created and is currently maintained by a single developer. This website generates a monthly recurring revenue of \$20,000 through its subscription model.

Wappalyzer is a technology profiler, essentially acting like a detective for websites. In this interview, we talk with the founder of Wappalyzer, Elbert.

Textbelt is a straightforward SMS API designed for developers who simply want to send SMS.

StatusGator is a service that helps organizations and individuals monitor the status of various online services, websites, and APIs.

StageTimer is a web-based service that offers a remotely controlled countdown timer.