Selenium automates browsers. That's it! What you do with that power is entirely up to you.

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

Unifying API testing, API Performance testing, API Mocks and UI testing.

The open-source status page system

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

Hand-crafted lightweight Rest Client for testing APIs. Supports collections, environments, git collaboration and local storage.