Best4c (Best for chart) is a Web-based, online diagram tool that allows you to create, edit, and share charts anytime, anywhere. Offers you a way to create and share charts online. No software installation. No downloads. Provide an interactive drawing and diagramming solution within all popular Internet browsers (FireFox, IE, Opera, Safari). Desktop application feel in a Web-based diagramming solution. Create many types of diagrams such as flowcharts, floor plans, network diagrams, or any other simple drawing or diagram.