• With the operating systems IBM z/OS (previously MVS), VSE and Siemens BS2000
• As server for mainframe applications, both in batch and also in interactive applications under the transaction monitors CICS, IMS and UTM in collaboration with all databases generally used for mainframes such as DB/2, IMS/DB, ADABAS or UDS.
• Under z/OS (previously MVS) the mainframe can also make use of the services of a UNIX or NT server by using a host API.
• For integration into your own applications, interfaces and examples for all "classic" mainframe development languages such as Cobol, Assembler or PL/1 as well as the call out of C or Java programs are available.

• With the operating system derivatives HP-UX, AIX, SINIX, SUN Solaris, DEC, Linux
• As server and as client for all of the UNIX derivatives listed above in collaboration with all of the generally used databases in the UNIX environment such as Oracle, DB/2 or SQL server.
• For integration into own applications, interfaces and examples for all generally used development languages and linking technologies in the UNIX environment are available. Examples: C, C++, Cobol, Perl, Java, COM, PHP, CORBA, ABAP (SAP), PL/SQL (Oracle).

• With the operating system OS/400.
• As server and as client in collaboration with the database OS/400.
• For integration into own applications, both the classic interfaces with examples for the programming language RPG and the call out of Cobol, C or Java programs are available.

• As client under the versions 95, 98, ME, NT, 2000 and XP.
• For integration into own applications, interfaces and examples for all of the generally used development languages and linking technologies in the Windows environment are available. Examples: C, C++, Cobol, Visual Basic, Perl, Java, COM, PHP, CORBA, ABAP (SAP), PL/SQL (Oracle).
• As server under the versions NT, 2000 and XP in collaboration with all generally used databases in the Windows environment such as Oracle, DB/2 or SQL server.