Chemsuite is composed by several program:

Chem2D: A 2D molecular drawer.
Molcalc: A molecular weight calculator   - Ready !
ChemModel3D: Molecular 3D modeler
ChemIR: An infrared spectra processor. It can read, process, export and print Perkin Elmer spectra.
ChemNMR: 1D NMR Processor
ChemMC: Monte carlo Simulator and Integrator