  |
http://www.keelhaul.demon.co.uk/4mation/vector.htm - http://www.keelhaul.demon.co.uk/4mation/vector.htm
Advanced object-oriented vector graphics application compatible with !Draw, but with many new and powerful features. |
  |
Grid Pro - http://www.keelhaul.demon.co.uk/4mation/gridpr.htm
Automatically generates grids, regular patterns and tessellations as Draw or Vector files. Patterns such as dot lattice, line grid, polar grid, checker board, tessellation and tiled sprite are available. |
  |
Digital Area Analysis - http://www.wardlaw.demon.co.uk/daa/index.html
Speeds the calculation of areas from technical drawings, for example cross-sectional areas, plans or maps. |
 |
http://www.zynet.co.uk/dsnell/CADplus.html - http://www.zynet.co.uk/dsnell/CADplus.html
A commercial CAD package from David Snell. |