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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
February 22nd
​View the Cornell Dubilier ad in PDF format. read more
February 22nd
View the Leisure and Business Fares: Week of Feb. 13 vs. Previous Week And Year-Ago Week in PDF format.
February 22nd
View the PDF of the Embraer KC-390 Spec Showcase
February 22nd
LOCKHEED MARTIN’s second T-50A trainer prototype conducted first flight Feb. 20 over Greenville, South Carolina. LEONARDO has SAFRAN ELECTRONICS & DEFENSE contract to provide PicoSAR AESA radar to French army. LOCKHEED MARTIN’s modernize...
February 22nd
On Wednesday a Russian government Soyuz rocket is due to launch the 66th Progress cargo delivery ship to the International Space Station in a mission repeatedly delayed from earlier in the month. Meanwhile, the International Defense Exhibition and Confere...
February 22nd
A third-party training pipeline is one of several initiatives ATR is pursuing to address the need for more entry-level airline pilots and localized training for existing pilots. read more
From FlightGlobal
February 22nd
Korean Air took delivery of its first Boeing 787-9 today, with its international debut set for Toronto flights from June.
February 22nd
When an Airbus flight test crew took the A320 to the sky for the first time, they must have known they were flying a special aircraft. For sure, as this video shows, that 1987 sortie was a sight to behold. But what must have surprised even its flight crew...
February 20th
Sitting in the conference room of Air Lease s satellite office in Dublin, John Plueger flashes a casual California grin, having recently taken over as the chief executive of a company he has spent the past six years building with industry veteran Steven U...
February 20th
As the world s first digital fly-by-wire (FBW) airliner, Airbus Industrie s A320 was positioned to bring commercial flying and flight management into the 21st century when it was rolled out in 1987.
February 16th
Juneyao Airlines has finalised an order for five Boeing 787-9s, its first widebodies.
February 16th
Lufthansa's low-cost arm Eurowings has phased out its last Bombardier CRJ900 regional jet as part of short-haul fleet harmonisation around Airbus A320-family jets.



  • 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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