JMeter 是 Apache 组织的开放源代码项目，它是功能和性能测试的工具，100% 的用 java 实现。
The Apache JMeter™ desktop application is open source software, a 100% pure Java application designed to load test functional behavior and measure performance. It was originally designed for testing Web Applications but has since expanded to other test functions.

下载链接：http://jmeter.apache.org/download_jmeter.cgi