How to install TdhCad on Ubuntu – Vector Graphics and Charting
TdhCad is a free vector graphics and charting software for Windows and linux. It is released under Creative Commons Attribution-Non Commercial 4.0 International license. It comes with unlimited number of layers, click and drag support, automatic creation of Grids, Legends and Charts. Using this you can create XY charts anywhere and annotated with CAD entities. you can export your drawings to SVG, PNG or PDF file formats. Some other important features are ability to create groups containing entities and other groups and you can also create paths containing lines and curves.