Free Software

Access free engineering software tools across aerospace, chemical, civil, electrical, mechanical and software engineering fields. Includes programs like apps from NASA, FHWA’s SNAP-2 Soil Nail Analysis and Redi-Rock’s retaining wall design software — curated for engineers, students, and technical professionals seeking reliable design and analysis tools.

NOTHING ON THIS PAGE IS GUARANTEED TO BE FREE. PRODUCTS AND SERVICES ARE OWNED AND PROVIDED BY OTHERS. ACCESSIBILITY AND PRICES ARE SUBJECT TO CHANGE WITHOUT NOTICE. DOCUMENTS MAY BE SUBJECT TO COPYRIGHT OR LICENSE REQUIREMENTS. USE AT OWN RISK.

AEROSPACE ENGINEERING

Space

• NASA - National Aeronautics and Space Administration

  • Apps

  • NASA Technology Transfer Program - Software Catalog

CHEMICAL ENGINEERING

• ChemEnggCalc.com

  • Calculators for Chemical Engineers - Free Online Tools

  • Open Source Tools

CIVIL ENGINEERING

Multidisciplinary

• CADTools

• NRCS Tech Tools Webpage

• USGS - Software Webpage 

Building Design

• WBDG - Whole Building Design Guide - Tools Page

Geomatics, Surveying & GIS

• Earth Point - Lat/Long & State Plane Coordinate Conversion Calculator

Geotechnical Engineering

• FAA - Airport Concrete Pavement Design Software

• FHWA - SNAP-2 - Soil Nail Analysis Program

• Geo Engineer - Software Webpage

• NCPTC - Concrete Pavement Design Spreadsheets

• NRCS Tech Tools Webpage

• Pavement Designer

• PAVEXpress/PAVEInstruct - Asphalt Pavement Design Software

• Redi-Rock Retaining Wall Design Software

• Vulcan Materials Company - Construction Aggregate Calculator

Structural Engineering

• Redi-Rock Retaining Wall Design Software

Transportation Engineering

• CADTools

  • BricsTurn - (swept path analysis)

  • MS Turn - (swept path analysis) for Microstation

• FHWA - USLIMIT2

Water Resources, Environmental & Utility Engineering

• HI - Hydraulic Institute - Free Resources Webpage

• USACE - US Army Corps of Engineers Software Webpage 

  • HEC-HMS (Hydrologic Engineering Center - Hydrologic Modeling System)

  • HEC-RAS (Hydrologic Engineering Center - River Analysis System)

• PipePac

• SRH-2D

• USDA-NRCS - US Dept. of Agriculture Natural Resource Conservation Service

  • Tech Tools Webpage

  • Web Soil Survey

• USFW-WIM - US Fisheries and Wildlife National Wetlands Inventory Map

• USGS - US Geological Survey

  • National Map

  • StreamStats

  • Water Resources Mission Area Software Catalog

ELECTRICAL ENGINEERING

Building Design

• WBDG - Whole Building Design Guide - Tools Page

MECHANICAL ENGINEERING

Building Design

• WBDG - Whole Building Design Guide - Tools Page

SOFTWARE ENGINEERING

Web Design

• Google Sites

• Simple Machines Forum

• Site Builder Report

Free Academic Resources

Free Books & Audiobooks

Free Design Support

Free Magazines

Free Manuals

Free Software

Free Textbooks

Free Training