2024-11-14 00:00:00 Lekh is an online whiteboard and intelligent diagramming tool. On Lekh canvas you can do free hand drawing and also draw lines, geometric shapes, layouts and various diagrams like flowchart, block diagram, network diagram and more. Infinite canvas: Lekh whiteboard offers an infinite canvas, giving you the freedom to draw concepts, ideas, or diagrams as if you had limitless and endless paper.