Libre office draw is wonderful, it can edit pdf docs at ease. It’s crazly powerful compared to paint 3d
draw.io - Online diagramming application
CAMS - Compliance Auditing - The CAMS-Audit certification is the first certification to improve and validate AML program auditing and independent testing.
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.
riskcloud.NET - riskcloud.NET is a leading cloud based enterprise risk management software conforming to ISO31000 enabling you to better manage risk
Dia - Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.
Aptien - Employee, equipment and office management. Solution for onboarding, employee management, asset maintenance and more.