free 2d drafting program

Program produces GIF pictures from images 3D buttons and models

Program creates animated images from images 3D buttons and shapes

Create 3D modeling, 2D drafting, and associate dimensioning.

Create 3D modeling, 2D drafting, and associate dimensioning.

A program to analyse 2D Images of any kind (e.g. cell counting)

Best data analyzer, 2D/3D-plotting, calc and presentation program.

This simple program can be used to compute and display a 2D fractal tree.