Postman is an API platform for building and using APIs. Postman simplifies each step of the API lifecycle and streamlines collaboration so you can create better APIs—faster.

Bruno is a Fast and Git-Friendly Opensource API client, aimed at revolutionizing the status quo represented by Postman, Insomnia and similar tools out there.

Playwright enables reliable end-to-end testing for modern web apps.

Vigil is an open-source Status Page you can host on your infrastructure, used to monitor all your servers and apps, and visible to your users.

Datadog is a cloud-based monitoring and analytics platform that provides observability and security for cloud-scale applications

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