QEngine

AdventNet QEngine from AdventNet is a test automation tool which supports load testing and functional testing for Web Applications. It also provides out of the box support for testing SOAP Web Services.

AdventNet QEngine for Load Testing helps ensure, your 'N' Tier enterprise applications can meet heavy user loads during peak hours and have high uptime in production. It helps meet end user service levels and empowers you to successfully roll out business applications in to production by proactively load testing the application.

QEngine performance testing can help you identify bottlenecks in your application code and eliminate them proactively. After performance testing is completed, Load Testing can help identify inventory requirements and help you decide whether its best for you to scale vertically (adding high end servers) or horizontally (adding more web servers, databases etc).

Performance Testing: Weed out bottlenecks in your web application
Load Testing : Identify server and database needs before going to production
Functional Testing : Test functionality of Web Applications and ensure quality during Application Development Life Cycle.
Stress testing : Learn if application recovers gracefully
AJAX Testing for Web 2.0 Applications
Performance Monitors : Conclude on Inventory Requirements
Distributed Load Testing : Scale for 1000s of Virtual User Load using commodity hardware
Web Services Testing : Performance Test your SOAP Web Services
J2EE Diagnostics, enhanced Database Monitoring and Application Server Monitoring using ManageEngine Applications Manager

The Grinder

A Java load testing framework downloadable from sourceforge.net.

Main features are

Generic Approach Load test anything that has a Java API. This includes common cases such as HTTP web servers, SOAP and REST web services, and application servers (CORBA, RMI, JMS, EJBs), as well as custom protocols.

Flexible Scripting Tests are written in the powerful Jython scripting language.

Distributed Framework A graphical console allows multiple load injectors to be monitored and controlled, and provides centralised script editing and distribution.

Mature HTTP Support Automatic management of client connections and cookies. SSL. Proxy aware. Connection throttling. Sophisticated record and replay of the interaction between a browser and a web site.

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