* [Mock Service Worker v2.12.14](https://github.com/mswjs/msw) – Network-level API mocking library using Service Worker for seamless request interception in JavaScript.

* [ng-mocks v14.15.2](https://github.com/help-me-mom/ng-mocks) – Library to mock Angular components, directives, pipes, services, and tokens for simplified testing.

* [Tusk CLI v0.2.4](https://github.com/Use-Tusk/tusk-cli) – Testing tools for recording and replaying API traffic and executing unit tests in local and CI environments.

* [JSON-Server v1.0.0-beta.14](https://github.com/typicode/json-server) – Provides a full fake REST API from a JSON file with zero coding, runnable via CLI.