Beeceptor - Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.

Kahuna - Best way to understand and engage your mobile audience

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.

Swrve - An integrated mobile marketing automation platform: analytics, push notifications, A/B testing and in-app campaign delivery.

MockServer - Easy mocking of any system you integrate with via HTTP or HTTPS.

Velti - Velti is an end-to-end mobile marketing platform.