- https://en.wikipedia.org/wiki/MKS_Inc
- https://en.wikipedia.org/wiki/MKS_Integrity – an application lifecycle management platform
- https://en.wikipedia.org/wiki/MKS_Toolkit – a Unix-like software environment for Microsoft Windows
- https://en.wikipedia.org/wiki/MKS_X/Server – a commercial X11 server for Microsoft Windows
- MKS RCS, which was renamed to MKS Source Integrity in 1992