Jest is a delightful JavaScript Testing Framework with a focus on simplicity.

Website and mobile testing at every stage of development

API Testing Platform that automatically generates unit test cases with dependency mocks from API calls

Design, debug, and test APIs locally or in the cloud

Requestly is an open-source tool that simplifies API development, testing, mocking, and integration for developers and QAs.

Automate API workflows. Chain HTTP requests. Validate. Zero code.