Beeceptor - Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.
TARS Meeting Chatbots - Book more meetings using chatbots
MockServer - Easy mocking of any system you integrate with via HTTP or HTTPS.
Happy Tools by Automattic - A scheduling tool built for distributed teams
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.
Aerotime - Group meetings together and find time for deep work