The number three player, PTC (formerly Parametric Technology), has faltered badly in recent years.

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That could keep it in front of such rivals as Parametric Technology and Oracle.

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Other competitors in the technology sector include: Parametric Technology (PMTC), Adobe Systems (ADBE), and Cimatron (CIMT).

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The third was a multi-parametric mechanical test based on five different mechanical parameters linked to the voltage of the wire.

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James Heppelmann is CEO of Parametric Technology Corp.

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The wall chart is available from Parametric Technology Corp.

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If you are a programmer, use the openSCAD tool to create parametric gears If you are a photographer, learn to use 123D Catch to scan the greatest works of art at your local museum.

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Sales of CAD software to midsize companies are growing 15%, while large-company sales are expanding at a piddling 5% a year, says Gearoid Smyth, global marketing director of PTC, a CAD maker formerly known as Parametric Technology.

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