very good CAD software
New Sketch-Based Modeling and Animation Tool
The HTML5 Creation Engine
2D CAD for precise drawing
PyAMS (Python for Analog and Mixed Signals) CAD approach
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
Easy and smart classic color picker
Photography, Framing, Golden Ratio, Photo Printing
CAD application for Technical Drawing exercises in Android
CAD Draw, CAD Control, printing, C/C++,.NET Source Codes
E-XD++ Diagram Control for C/C++, .NET, the professional Diagram.
Eva.js is a front-end game engine for creating interactive projects
SOLVESPACE is a free (GPLv3) parametric 3d CAD tool.
A canvas library for generating technical drawings
The program to simulate mouse clicks
E-XD++ Visualization Source Code Library with C++
Free CAD software
CAD application for Technical Drawing exercises
Packing two dimensional rectangular elements at orthogonal table
AutoCad 2014 - AutoCad 2020 batch lisps process
An infinite-canvas paint program
Secondary glazing for sash windows