Education and Design Software

QCad

2D drafting system for Windows, Mac OS X, Linux and Unix systems.

http://www.qcad.org/qcad.html

lignumCAD

Free 3D CAD system for Linux.

http://lignumcad.sourceforge.net/doc/en/HTML/index.html

@RISK

Risk analysis and simulation add-in for Microsoft Excel or Lotus 1-2-3. Demo available for download.

http://www.palisade-europe.com/risk/default.asp

Ariane

Software for optimization of power plants. Calculates the best operating conditions of a steam/power plant depending on the energy costs.

http://www.prosim.net/en/energy/ariane.html

CadStd Lite

Basic, easy-to-use 2D CAD program for Win 9x/NT, freeware, size 1.5 MB.

http://www.cadstd.com/download.html

Chemical Engineering Software

Many programs at reasonable cost for energy conversion, fluid flow, psychrometrics, heat transfer, physical properties, and process economics.

http://www.engineering-software.com/che/

DeltaCad

Computer Aided Design and drawing package for Windows 9x/NT 4.0/2K/ME/XP, 45-day trial version available (3 MB).

http://www.dcad.com/

DPLOT

2D graphing utility for MS Windows, supports the most important graph types for scientific applications (linear, logarithmic, tripartite, probability, polar, and histograms), fully functional 30-day trial version available.

http://www.dplot.com/

EDGE Diagrammer

Flowcharting and diagramming software. Predefined and custom shapes and arrows. Shareware versions for Windows 3.1 and for Windows 9x/NT 4.0/2K/ME/XP. 1.7 MB to download.

http://www.pacestar.com/edge/trial.htm

EDTECH

Software for scientific-style XY-plots and other high-resolution, highly detailed black-and-white line graphics, trial version available for download. Windows 9x/NT and higher.

http://www.daoftx.com/edtech.htm#EDTdesc

Emissions Loss Spreadsheet

Spreadsheet from Esco Engineering, calculates evaporation rates from open liquid surfaces. Designed for steam and acid loss calculations from pickling tanks but the method is quite general.

http://www.mnsi.net/~pas/xcel.htm

Engineer's Aide

Commercial software from Epcon International for flowsheeting and simulation and sizing of process piping systems. Comes in a variety of configurations and prices. Demo available after registration.

http://www.epcon.com/

Engineering Power Tools

General engineering software containing over 70 programs and data tables in one integrated package. Categories included are: Math, HVAC, Mechanical, Electrical, Materials, and Structural. Restricted shareware for Windows 3.x (or later). 770 kB.

http://www.pwr-tools.com/

Excel Goodies

Fifteen useful spreadsheets from Esco Engineering for doing chemical engineering and related calculations, e.g. acid dewpoint, compressible flow, control valve sizing, orifice plate calcs for liquid and gas flow, packed tower design.

http://www.mnsi.net/~pas/brochure.htm

freeCAD

Introductory 3D CAD package with motion simulation capabilities, suitable for anyone interested in learning 3D CAD, Windows, Macintosh PPC, Linux PC and other Unix's, Sponsor supported freeware.

http://www.askoh.com/freecad/index.html

Graphmatica

An excellent equation plotter. There are versions for MS-DOS, Windows 3.1, and Windows 95/NT. Shareware.

http://www8.pair.com/ksoft/

O-Matrix

Integrated environment for analyzing and visualizing data, Windows 98, NT, ME, 2000, or XP.

http://www.omatrix.com/overview.html

Project Risk Analysis

Shareware computer program from Katmar Software for calculating the risk of possible over expenditure on capital projects, and for calculating the contingency required to reduce the risk to acceptable levels. Windows 9x, NT 4.0 and later. 761 kB.

http://www.katmarsoftware.com/pra.htm

SmartDraw

Windows program for drawing flowcharts, technical drawings, business presentations... Shareware.

http://www.smartdraw.com/

Visio 2003

Tool for creating schematics, process plant designs, and other 2D drawings. Available for Windows 95 or Windows NT 4.0 and above.

http://office.microsoft.com/home/office.aspx?assetid=FX01085798&CTT=6&Origin=ES790020011033

Vdraft

Affordably priced 2D drafting program for MS Windows platforms, directly reads and writes AutoCAD DWG and DXF files without translation.

http://softsource.com/vdraft.html

Production Scheduling and Production Planning Software

Software to automate manufacturing resource planning and production scheduling through dynamic linking to PLCs. Operates on MS SQL Server.

http://www.giraffeproductionsystems.net/gsshome.htm