Jmeter

JMeter is a load and performance testing tool which is completely based on Java. It has a special focus on web applications. JMeter functions as a unit test tool for JDBC database connections, FTP, LDAP, Webservices, JMS, HTTP, generic TCP connections, and OS native processes.Also, JMeter supports variable parameterization, assertions response validation, per-thread cookies, configuration variables and a variety of reports.