http://jakarta.apache.org/jmeter
Official JMeter Jakarta project website. This site offers links for the latest JMeter downloads, documentation, tutorials, and community:
http://jakarta.apache.org/jmeter/usermanual/index.html
The official online JMeter User manual. This site provides a detailed and more technical description of JMeter components and how to use them:
http://wiki.apache.org/jakarta-jmeter
These JMeter Wiki pages may be accessed to read, contribute, or modify content. They contain information and external links by contributors/users of JMeter, including FAQs and links that are directly or indirectly related to JMeter and Software Testing:
http://mail-archives.apache.org/mod_mbox/jakarta-jmeter-user
Archived mailing lists for JMeter users, dating from Mar 2001 until the most recent entry.
http://mail-archives.apache.org/mod_mbox/jakarta-jmeter-dev
Archived mailing lists for JMeter developers, dating from Feb 2001 until the most recent entry.
http://www.opensourcetesting.org
This site provides users with a wealth of information about open-source testing tools that are available.
Search this site with keyword "jmeter". Features online videos that serve as a guide for using JMeter.
http://www.stpmag.com/issues/stp-2007-11.pdf
Downloadable PDF version of "Software Test & Performance" magazine. Discusses JMeter pairing with Selenium to optimize Web-based testing.