Firstly, consider the purpose of your diagram. Are you trying to show a process, illustrate a relationship, or compare data? Your goal will determine the type of diagram you choose, be it a flowchart, ...

Excalidraw changed that for me. It's a free, browser-based diagramming tool with a hand-drawn, whiteboard-style aesthetic. It ...

Freehand sketching is the quickest way to capture initial design ideas on paper before they are forgotten, often done without rulers or templates. Annotation can be added to sketches to show key parts ...