GNU Bourne Again SHell - Bash is the shell, or command language interpreter, that will appear in the GNU operating system.
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.
fish shell - The friendly interactive shell.
MockServer - Easy mocking of any system you integrate with via HTTP or HTTPS.
PowerShell Studio - PowerShell Studio is the easiest GUI designer and script generator available.
Beeceptor - Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.