No LibreOffice - Draw videos yet. You could help us improve this page by suggesting one.
Libre office draw is wonderful, it can edit pdf docs at ease. It’s crazly powerful compared to paint 3d
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
draw.io - Online diagramming application
Invision - Prototyping and collaboration for design teams
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.
Sketch - Professional digital design for Mac.
Dia - Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.