Many integrations to target systems included in the base price:

Directories:
Any LDAP, Active Directory, NIS/NIS+.

Servers:
Windows NT, 2000, 2003, 2008[R2], 2012[R2], Samba.

Databases:
Oracle, Sybase, SQL Server, DB2/UDB, Informix, Progress, Hyperion, Cache, ODBC.

Unix:
Linux, Solaris, AIX, HPUX, 24 more variants.

Mainframes, Midrange:
z/OS: RACF, ACF2, TopSecret. iSeries, OpenVMS.

HDD Encryption:
McAfee, CheckPoint, BitLocker, PGP.

ERP:
JDE, Oracle eBiz, PeopleSoft, PeopleSoft HR, SAP R/3 and ECC 6, Siebel, Business Objects.

Collaboration:
Lotus Notes, iNotes, Exchange, SharePoint, BlackBerry ES.

Tokens, Smart Cards:
RSA SecurID, SafeWord, Vasco, ActivIdentity, Schlumberger, RADIUS.

WebSSO:
CA Siteminder, IBM TAM, Oracle AM, RSA Access Manager.

Help Desk:
ServiceNow, BMC Remedy, SDE, HP SM, CA Unicenter, Assyst, HEAT, Altiris, Clarify, RSA Envision, Track-It!, MS System Center

Cloud/SaaS:
WebEx, Google Apps, MS Office 365, Success Factors, Salesforce.com, SOAP.