# Tested platforms and tools

See which tools and platforms have been used in testing the DITA processing system.

The DITA processing system has been tested against the following platforms and tools:

Platform or tool | Tested version
--- | ---
OS | Windows XP Windows 7 OS X 10.6 SLES 10
XSLT processor | Xalan-J 2.6 Xalan-J 2.7 Xalan-J 2.7.1 Saxon 6.5 Saxon 9 Saxon-B 9.1 Saxon-HE/EE 9.3 Note: XSLT 2.0 standard is not officially required in DITA-OT code, due to the reliance by some users on Xalan.
JDK | IBM 1.5 IBM 1.6 Oracle 1.5 Oracle 1.6
Ant | Ant 1.7.1 Ant 1.8.2

Parent topic: DITA Open Toolkit User Guide