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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
May 1st
May 4—SpeedNews AeroAuto Conference (AAC), Dearborn, Michigan. For more information go to read more
May 1st
Doug Derwin wants SpaceX founder Elon Musk to sever his ties with President Trump and help battle the administration’s climate-change stance. read more
May 1st
SAAB has SEK 500m ($56m) order from Swedish Defense Material Administration for next generation anti-ship missiles. Deliveries to begin in the mid-2020s. read more
May 1st
The first quarter of 2017 brought no major changes to demand in the business aircraft market. read more
May 1st has been named a distributor of LoPresti Aviation’s landing and taxi lighting systems. read more
May 1st
JetSmarter has launched its JetShuttle service from Dallas to Los Angeles and New York. read more
From FlightGlobal
April 26th
Japan Air Commuter (JAC) operated its first ATR 42-600 flight on 26 April, deploying the aircraft on the return Kagoshima-Yakushima and Kagoshima-Okinoerabu services.
April 25th
Aircraft lessor SMBC Aviation Capital is to purchase three Boeing 737-800s, bringing its total owned, managed and committed portfolio for the type to 198.
April 24th
BMI Regional foresees introduction of larger aircraft to complement its Embraer ERJ-145 fleet.
April 21st
Hawaiian Airlines will likely not place new Airbus A321neos into revenue service until 2018 due to aircraft delivery delays, says chief executive Mark Dunkerley.
April 21st
Air France will deploy Boeing 787s to several African destinations during the winter 2017/18 season as its Dreamliner fleet grows.
April 18th
Estonian banking group LHV is financing the purchase of two Bombardier CRJ900s for use by Nordica.



  • 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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