Push Notification Preview - A simple tool for previewing push notification copy
Beeceptor - Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.
Eliqs - Custom-designed craft beverages
Webhook.site - Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails.
Atomic - The fastest way to design beautiful interactions
MockServer - Easy mocking of any system you integrate with via HTTP or HTTPS.