AppMockUp - Create the most compelling screenshots for your app.
JustRecruit.co - Easy to use, low-cost recruitment software and websites, perfect for start-ups, small and growing recruitment businesses
Odro - Video interview and candidate selection for recruiters
draw.io - Online diagramming application
Argos Reporting Software - Enterprise-level reporting tools for colleges & universities
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.