Most Popular Free & open-source tools

• Selenium - Selenium is a suite of tools specifically for testing web applications.
• Selenium Home Page
• Selenium IDE, RC Tutorial & Workshop
• Selenium Forum at SQA Forums
• Watir - Watir stands for “Web Application Testing in Ruby”.
  It allows you to write tests that are easy to read and maintain.
• Watir Quick Start
• Watir Tutorial 01
• iTest2 / Watir Recorder
• WatiN - WatiN aims to bring you an easy way to automate your tests with Internet Explorer and FireFox using .Net.
• WatiN Tutorial 01
• WatiN Blog
• WatiN Test Recorder
• Badboy - Easy to use web testing tool with dozens of features
  including a simple capture/replay interface, powerful
  load testing support, detailed reports, graphs and much more!
• Badboy Documentation / Help
• Badboy Forum
• JMeter - JMeter is a Java desktop application designed
  to load test functional behavior and measure performance.
• JMeter User's Manual
• JMeter Tutorial 01
• JMeter Forum at SQA Forums
• JMeter plugin - Statistical Aggregate Report
• JChav - JMeter Chart History and Visualization

See our Tutorials page for more help with these tools...

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Testing Frameworks

JUnit - JUnit is a simple framework to write repeatable tests.

NUnit - NUnit is a unit-testing framework for all .Net
languages.

TestNG - TestNG is a testing framework inspired from
JUnit and NUnit but introducing some new functionalities
that make it more powerful and easier to use.

More Free Tools >>