EasiDraw is a user-friendly and simple drawing tool that allows you to create diagrams in your word processor and presentation editor. All you need is your word processing skill and knowledge! There is no new skill to learn. EasiDraw diagrams are NOT a static clipart, they are created dynamically! You can customize EasiDraw diagram by settings its parameter, click Ok and the diagram will be created for you!
Chemical database software for management of databases of any size, structure drawing, SDF import/export, duplicate removal, diversity analysis, chemical web server, combinatorial chemistry, prediction of LogP/LogC, and MASS/NMR/IR spectra management
Price: $50, Rating: 6, Downloads: 172 Download
ThreeDimSim is a powerful 3D mechanics simulation and rendering application. A 3D scene is defined by script using simple shapes and imported meshes from CAD files. Mechanics are simulated and rendered and can be analysed and exported.
Price: $89, Rating: 9, Downloads: 103 Download
EasiDraw Free Edition - details 
