SLAMD has been released as Open Source

Ludo

SLAMD the Distributed Load Generation Engine has been released as open source release under the Sun Public License.
You can download the product from slamd.com or slamd.dev.java.net.
SLAMD was originally designed for use with LDAP directories and includes a number of utilities and tests that turn a Directory Server benchmark into a kids game.
The “how-to” guide for Sun JavaTM Systems Directory Server 5 is also available: Benchmarking the Sun ONE Directory Server 5.2 with SLAMD and MakeLDIF.