1)   MITCalc - Timing Belts Calculation 1.12
Geometric design and strength check of toothed belt transmissions. Application contain a database of timing belts, supports Imperial and Metric units, is based on ANSI, RMA, ISO, DIN and BS standards and support many 2D and 3D CAD systems.
Belt, toothed belt, timing belt, synchronous belt, design, strength check, ANSI/RMA IP-24, 1983, DIN 7721, DIN ISO 5296,