=== dBASE II ===
A Markt & Technik released a version of Ashton-Tate dBASE II 2.41 was released by Markt & Technik for owners of a Vortex disk drive.
=== FutureOS ===
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=== Microsoft Multiplan 1.06 ===
A Markt & Technik released a version of Microsoft Multiplan was released by Markt & Technik 1.06 for owners of a Vortex disk drive.
=== ParaDOS ===