SeleniumBase Case Plans is Test Case Management Software that uses Markdown tables for displaying test plans directly in GitHub (and other source code management systems that support Markdown format).

k6 Open Source is designed for load testing. Extensible to support other types of testing.

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

Checks web UI for browser compatibility (Compliance with Can I Use?)

Orderly Ape is an open source (MIT) tool to run distributed and scalable k6 load tests on your own infrastructure using k6, kubernetes, grafana and influxdb.

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.