| Original author(s) | Egan Ford | 
|---|---|
| Developer(s) | Egan Ford, Jarrod Johnson, Bruce Potter, Andy Wray | 
| Initial release | October 31, 1999 | 
| Stable release | 2.13 / December 9, 2016
 | 
| Development status | Active | 
| Written in | Perl | 
| Operating system | Linux, IBM AIX, Windows | 
| Platform | Cross-platform | 
| Size | 3 MB | 
| Available in | English | 
| Type | Distributed computing | 
| License | Eclipse Public License | 
| Website | https://xcat.org/ | 
xCAT (Extreme Cloud Administration Toolkit) is open-source distributed computing management software developed by IBM, used for the deployment and administration of Linux or AIX based clusters. It can:
xCAT has specific features designed to take advantage of IBM hardware including:
xCAT achieved recognition in June 2008 for having been used with the IBM Roadrunner, which set a computing speed record at that time.
xCAT is the default systems management tool of the IBM Intelligent Cluster solution.
xCAT is used by Lenovo.