Open source load testing tool
Software Testing Tools & Resources
Largest collection of Resources and Tools for Software Testing Community

Apache Jmeter

Text Expander
TextExpander lets you instantly insert snippets of text from a repository of emails, boilerplate and other content, as you type – using a quick search or abbreviation.

JPad
Java Scratchpad - Instantly write java snippets and see nicely formatted results.

LINQPad
LINQPad is a software utility targeted at .NET Framework development.

Docker
use OS-level virtualization to deliver software in packages called containers

Eclipse
IDE
NetBeans
IDE
Snagit
Screen Capture with editing tools
Locust
An open source load testing tool.