WinMerge

Differencing and merging tool for Windows

Form Filler

A customizable Chrome and Firefox extension that fills dummy text in all input fields in a page.

PICT

Pairwise Independent Combinatorial Testing (PICT) generates test cases.

Pytest

Python based testing framework

SoapUI

REST & SOAP API Testing

Katalon

An all-in-one test automation solution

MS Visual Studio

Edit and debug on any OS

PyCharm

Advanced code management platform for Python

Intellij IDEA

For web and enterprise development