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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
April 4th
Helicopter operator GrandView Aviation has launched affiliate GrandView Jets, a charter operator of Phenom 300 light jets, in the Baltimore-Washington region. read more
April 3rd
Bombardier Aerospace is committed to Learjet production, despite the decision to cut output this year, Bombardier Business Aircraft President David Coleal said. read more
April 3rd
Continental Motors Group plans to build a new, state-of-the-art manufacturing facility and corporate office in Mobile, Alabama, dedicated to advanced engine and parts manufacturing, the company said. read more
April 2nd
Yannick Assouad, CEO of aerostructure and wiring supplier Latecoere since November, has endorsed the Transformation 2020 restructuring plan of her predecessor. read more
April 2nd
Oil and gas helicopter operator CHC says it is has emerged as an “economically robust and agile competitor,” 10 months after filing for bankruptcy. read more
April 1st
One of the largest challenges for business jet manufacturers is aligning production levels with demand. read more
From FlightGlobal
March 29th
Alaska Airlines will operate Virgin America s Airbus A320 family fleet through at least 2024, as it targets a decision on its long-term fleet mix by the end of this year.
March 22nd
Swiss International Air Lines has converted another five Bombardier CS100 orders to the larger CS300, a switch the airline had long considered.
March 21st
Malaysian carrier Malindo Air will be the first carrier to put the Boeing 737 Max 8 into commercial service.
March 20th
United Airlines will retire its last Boeing 747-400 in late October after nearly half a century with the carrier.
March 17th
BOC Aviation has ordered two additional Airbus A320ceos that will be delivered by the end of 2017.
March 13th
Qatar Airways expects to take delivery of its first Airbus A320neo-family aircraft in 2018.



  • 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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