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Engineers' Tool Kit - The Free Engineering Tools Site


Free engineering tools, references and news for structural and stress engineers. Almost everything here is free to use and download. 

Find here: 

  • free engineering software, spreadsheets and programs 
  • references to books for stress analysis, fatigue, dynamics, etc. 
  • reports, requirements and manuals for free download or consulting 
  • free software download on the toolkit
  • links to material data, technical reports, unit conversions, etc 
  • news for engineering professionals, videos and more

Complete site content at Site Map


Our articles:    Engineers' Tool Kit - Our View

THE LATEST NEWS - for complete coverage go to NEWS page

From Aviation Week & Space Technology
June 26th
Start-up supersonic airliner developer Boom Technology has completed the preliminary design review for the XB-1 “Baby Boom” demonstrator, clearing a key hurdle on the path to flight tests of the Mach 2-plus aircraft late next year. read more
June 26th
Content Source:  Aviation Week & Space Technology Roundup Cover Image:  ...
June 26th
To list an event, send information in calendar format to Donna Thomas at For a complete list of Aviation Week Network’s upcoming events, and to register, visit (Bold type indicates new calen...
June 26th
View the SpeedNews Aircraft & Engines Marketplace chart in PDF format.
June 26th
Bureau of Transportation Statistics View the U.S. Airlines Seasonally-Adjusted Monthly Domestic Load Factory chart in PDF format.
June 26th
DFW Instrument has added Garmin to its list of dealership partners at its Addison, Texas, FAA repair station. read more
From FlightGlobal
June 23rd
This video captures the stunning static display at the Paris air show, including the Boeing 737 Max 9, Airbus A350-1000 and the Lockheed Martin F-35.
June 22nd
Boeing has disclosed an agreement with an unidentified airline for 125 737 Max 8s.
June 21st
South African carrier CemAir has signed a letter of intent for two Bombardier Q400 turboprops at the Paris air show.
June 21st
FlightGlobal's tracker of all the aircraft orders announcements during the 2017 Paris air show
June 21st
US lessor Air Lease has signed a memorandum of understanding for another 12 Boeing 737 Max aircraft.
June 20th
UK-based teardown specialist AerFin has taken delivery of the last three Airbus A340-300s from Cathay Pacific, marking the retirement of the type from the airline's fleet.



  • Link to XL-VIKING Display Your Math in Excel. Check your Spreadsheet calculations effortlessly with the XL-Viking Check & Display Functions. Basics free for download, professional version really acessible. See on LINKS.
  • Analysis & Design of Composite & Metallic Flight Vehicle Structures - Abbott - 2016 - First Edition. A new, up to date reference for structures engineers. Link for free download at:

  • New links on the LINKS page, to an easy way of calculating welded connections, to AeroStudents and to Engineers Edge add more reference material and on line calculators of a broad range of engineering topics.

  • Free program for digitizing curves - CurveSnap, added to Programs page and link to on line curve digitizing site

  • Spreadsheet  on Spreadsheets page for extracting SPC loads from NASTRAN f06 output file

  • Link to MIL SPECS and more specifications, handbooks, on EverySpec  at LINKS page

  • New spreadsheets: stress-strain curve for non linear stress analysis and Neuber Plasticity correction using Ramberg&Osgood material curve added to the Spreadsheets page

  • Link to all regulations and specifications, from EASA, on the Regulations - Aircraft page  

  • New page:  CAD Programs with links for download, free, CAD Programs for 2D and 3D

  • New page:  Compilers with links for download, free, compilers for the most used programs for engineering and research.

  • New link on Links page to NASA site with NASA and NACA Technical reports for downloading.



Airbus A350-1000 First Flight

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BOEING 787 - 9

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