Alibre Design is a low-cost parametric mechanical design application with CAD-neutral data sharing and online collaboration tools.

Vellum 3D CAD program and Vellum Solids 3D modeling software.

Solid modeling package for 3D mechanical design.

Basic and advanced tutorials on the use and customization of Autodesk Inventor 3D CAD software, discussion forums and current CAD news.

Software that calculates piping code stresses, loads, and deflections under static and dynamic loading conditions, with special features for buried pipeline analysis, wave loading, and fluid transients.

TurboCAD hatch patterns, color palettes, and related resources.

Developer of Concepts Unlimited, 2D 3D modeling tools for Mac and PC designers. Supports precise NURBS,analytices, rendering, animiation and drawing composition.

Provider of engineering collaboration software for product design, management, and development, CAD, PLM, mechanical engineering, and workflow management.

A technical resource for users of Autodesk's MCAD products including Mechanical Desktop and Inventor.

Developers of engineering based design software for special requirements in industries such as petrochemical, ship building, mining, civil, mechanical, structual, manufacturing, defence and aerospace.

A basic CAD program for creating collections of 3D elements, which can be connected by joints, constraints, actuators, springs, dampers, or forces for running motion simulations.

Virtual prototyping of complex mechanical systems with the RecurDyn software products.

A 2D parametric drawing program for Windows, that works on AutoCAD and MicroStation files.

Solid modeling software for mechanical designers and engineers.

Makers of the Anvil Express software for mechanical design, that also has manufacturing features.

A relational trimmed NURB curve and surface 3D modeling program, useful for boat hulls and other applications.

A program designed to create drawings of spur gears, as symbols for ProCAD+ on Acorn RISC computers.

Feature-based reverse engineering software for SolidWorks.

Develops software for gear box design, dynamic simulation of gear shift synchronization, and related tasks.

TabletCAD is a computer program for designing medicinal tablet shapes, calculating tablet volume and surface area and producing tablet technical drawings.

CAD/CAM tool for geometric simulation and design focused at ship building and shell plates development.

Specialized engineering 2D/3D CAD shareware for sheet metal design and unfolding for fabrication and manufacture. It handles cylinders, cones, square-to-round adapters, ovals, intersections and multi-intersections.

Develops and supports CE/TOL, a tolerance and variation analysis software package for mechanical design and manufacturing processes.

A software that allows to calculate the properties of arbitrary profile sections, imported from DXF.

A mechanical design software package for TEMA type shell and tube heat axchangers and ASME pressure vessels.

Develops and sells SolidConcept, a parametric 3D solid modeling software for creating parts, assemblies and automatic 2D drawings.

A solid modeling program for mechanical engineers and designers, as well as add-on applications.

Steel detailing software with packages for structural design, detailing, and manufacturing.

Produces mechanical CAD software for conceptual design through engineering to manufacturing for products in many industries.

2D/3D mechanical engineering CAD System for Windows and Linux.

Mechanical design software with 2-D drawing support for designing of centrifugal fans, pressure vessles (ASME & ISI standards), Gears, clutches, and couplings.

Presents the PipeData-Pro software family for piping designers and engineers [requires JavaScript and Flash].