SAP GRC - SAP solutions for governance, risk, and compliance (GRC) help companies minimize risk and stay in compliance with regulations.
yEd - yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.
Ideagen Coruson - Cloud-based enterprise GRC solution
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
VComply - VComply is a cloud-based governance, risk and compliance solution.
draw.io - Online diagramming application