1)   S3Dfree 2000 6
S3Dfree 2000 is the FREE unregistered version of Solid3D. Solid3D Fastener library is a productivity tool for AutoCAD allows you to create solid models of assorted Nuts, Bolts, Screws and Washers.
fastener, cad shareware, AutoCAD, AutoCAD add-ons, Shareware, Cad, Lisp, Autolisp, Freeware, parts,

 2)   I C CAD 1.1.0
This is the simple, fast CAD viewer you have been looking for. Works with AutoCAD (.DWG) and Microstation (.DGN) files. When you are ready to buy, unlock the trial from within the program. Quick and easy!
AutoCAD, File Viewer, Microstation, DGN, DWG, DXF, Drawing, engineering, surveying, technical,

 3)   PLCAD 1.01
PLCAD is a Windows 2D CAD software. PLCAD is a powerful drawing program that gives you the ability to create professional two-dimensional drawings.
2D, CAD, DXF, graphics, drawings, engineering, architecture, cad, eMatrix, plan,

 4)   HatchKit 2.6
Draw patterns from scratch, open existing pattern files or import DXF or HPGL. Paste Clipboard. Save to AutoCAD,ACADLT,Alibre,AllyCAD,DataCAD,GeneralCADD,IntelliCAD,MegaCAD,MicroStationV8,Revit,SolidWorks,Spirit,TurboCAD,VersaCAD or VisualCADD format
hatch, pattern, editor, create, generator, cad, autocad, Alibre, AllyCAD, Chief Architect,

 5)   Engineering Power Tools 1.9.8
ENGINEERING POWER TOOLS solves a wide variety of common engineering problems quickly and easily. Over 70 programs and data tables integrated into one easy-to-use package. Categories include Math, HVAC, Mechanical, Electrical, Materials & Structural.
engineering, mechanical, calculations, design, HVAC, math, electrical, materials, conversion, structural,

 6)   ComfortAir HVAC Software 4.0
ComfortAir HVAC software is designed to be used by engineers, architects, contractors and energy auditors for calculating and analysing heating and air conditioning hourly loads in all types of buildings. Units can be set to English or Metric.
ComfortAir, air, conditioning, hvac, cooling, heating, loads, calculation, heat, loss,

 7)   e!Sankey 1.2
A new software tool to easily create Sankey diagrams. Visualize material flows, energy or costs and display flow quantities in process systems. Useful for process engineers, professionals in energy management, waste, water, logistics and quality.
Sankey, flow, diagram, chart, graph, graphics, visualise, visualize, visualisation, visualization,

 8)   ShapeBook with 2D3DSteel 3.10
A structural steel reference and AutoCAD drafting tool for steel construction. View dimensions and properties. Search shapes by property values. Convert shape lists between US and metric. Based on AISC Manual of Steel Construction LRFD Third Edition.
structural, steel, detailing, dimensions, design, properties, software, reference, tools, construction,

 9)   Easy Measure Converter 1.0
Download Free Measure Converter: inch, feet, yard, rod, furlong, mile, league, chain. Length and Distance Conversions.The program interface is quite simple so even if you are a beginner you can use it without any trouble.
Free Measure Converter, inch, feet, yard, rod, furlong, mile, league, chain, convert from to,

 10)   Sheet Lightning 3.60
Sheet Lightning is a specialised engineering 2D/3D CAD System for creating and unfolding sheet metal designs for fabrication or manufacture. It handles cylinders, cones, square-to-round adapters, ovals, intersections and mutli-intersections.
sheet, metal, unfold, engineering, manufacturing, CAD, 3D, CAM, education, CNC,

 11)   Rainbow 5.08
Find best Spectral Estimation Method for a Power Spectral Density plot. A menu of 10+ spectral estimators from Steve Kay's textbook 'Modern Spectral Estimation' 1988 is available to choose from. Some estimator results differ dramatically!
Power Spectra, PSD, Spectral Estimation, spectral analysis, Spectrum, Fourier transform, FFT, Mathematics, Engineering, Teaching,

 12)   ODEcalc 5.09
ODEcalc for Windows: An Ordinary Differential Equation (ODE) Calculator! State your equation and boundary or initial value conditions and it solves your problem. Plots solution y and derivative ydot versus x. A Fortran Calculus demo application.
ODE calculator, ODE, Calculator, Differential Equations, Science, Engineering, Teaching, Ordinary Differential Equations, Ordinary Differential Equation Calculator, Differential Equation Calculator,

 13)   XYit 3.1
With XYit you can digitize xy co-ordinates of points & lines in images, enabling you to capture their original x-y values. And you can do the reverse, plotting xy numerical data back onto an image, ideal for making maps of proposed routes etc.
data capture, digitize, digitise, digitiser, digitizer, xy, co-ordinate, coordinate, science, engineering,

 14)   ecGraph 1.30
Powerful graphing ActiveX control to create graphs in a huge range of styles. Great for scientific or technical graphs. Do a graph with just a few lines of code. Manipulate the layout at runtime. Multiple graphs. Drag, zoom and scroll. Much more.
ecGraph, graph, plotting, plotter, activex, component, control, vb, visual basic, scientific,

 15)   StockControl 1.0.2.3
Industrial Production Manager and Stock Control software. This software will let you control any production, stock, order or supplier.
Industry, Production, Manager, Stock, Control, Inventory, Orders, Supplier, Planning, Contract,

 16)   Sheet Lightning Demo 5.2
Sheet Lightning is a specialised engineering 2D/3D CAD System for creating and unfolding sheet metal designs for fabrication or manufacture. It handles cylinders, cones, square-to-round adapters, ovals, intersections and mutli-intersections.
sheet, metal, unfold, engineering, manufacturing, CAD, 3D, CAM, education, CNC,

 17)   Match-n-Freq 5.05
Pulse shaping filter program that finds the pole-zero locations of a transfer function, H(s), for a matched filter. H(s) equals a -desired- signal (Yout) divided by a given input signal (Yin). Both Yout and Yin are functions of frequency.
Electrical Filter, pulse slimming, pulse shaping, Engineering, Optimization, Calculus Programming,

 18)   The GD&T Trainer: Professional Edition 3.0
Effective, economical GD and T training on CD-ROM. Contains interactive lessons, technical animations, narration, 3D part drawings, course administration tools. Valuable for designers, engineers, and anyone who uses engineering drawings.
engineering, design, GD&T training, GD&T, cad, tolerancing, ASME Y14.5, geometric tolerancing, drawings, cad drawings,

 19)   Robot4 0.67
Robot4 (tm) is a Robotic Arm Movement program where the arm is moved from given position to desired position (an Inverse Problem). The program finds the angles necessary for the desired position. A Fortran Calculus demo application.
Inverse Problem, Robotics, Mathematical Modeling, Engineering, Teaching, Calculus, Fortran Calculus Programming, Fortran Calculus Language, Fortran Calculus compiler,

 20)   ScriptC ActiveX Control 2.0
ScriptC is small and effectual programming C-like language. Optimized for engineers and scientific users alike, the ScriptC component can be easy plugged directly into your applications.ScriptC supports VB, VC++, Delphi, VB.NET, VBA.
control, developing, C, tool, interpreter, automaton, education, engineering, science, ActiveX,