HandyDiagram is a vector-based graphic drawing software. As we know, such as Visio, so large and expensive, complex and difficult to use, many features are not to need for us really. HandyDiagram is easy to use due to focus on useful features. It absolutely meet your daily needs of most cases. With built-in vector symbols or customized symbols, you can quickly and easily draw professional-looking flowcharts, organizational charts, business diagrams, network diagrams, picture annotation. Version 3.0 brings you a lot of requested improvements. The following is the most important features: Various shape symbol. For most of time, we just need to drag symbol from library panel into drawing area.Custom shape symbol. Sometimes you draw a shape and expect it can be reused next time. Powerful tools used to draw shape. Such as straight line and bezier curve tool. Key points adjustment for shape.