Beeceptor - Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.
Checklist - Make a list of everything that you need to do during the week with Checklist. The lists that you make can be shared with friends and family on social media or sent in a message.
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.
Bamzooka - Create checklists, schedule them, assign them to your team
MockServer - Easy mocking of any system you integrate with via HTTP or HTTPS.
Happy Tools by Automattic - A scheduling tool built for distributed teams