See how you can support Engineers' Tool Kit


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
July 3rd
RAF balances growing demand for airborne intelligence with a reduced force structure read more
July 3rd
Expendable UAVs add potent attack capability to operations Three Israeli companies highlight loitering UAV munitions in Paris read more
July 3rd
Unmanned vehicles can surveil a battlefield and strike like missiles IAI is testing a UCAV that can surveil, then strike on command from an operator. read more
July 1st
The move marked a milestone in the Houston Airport System’s vision for an urban spaceport whose development is paced by private sector investments and fueled in part by its longstanding ties to NASA’s Johnson Space Center. read more
July 1st
An independent commission, set up to advise the British government on airport capacity has decided that London’s Heathrow Airport should build a third runway. read more
July 1st
From Boeing engineering intern to CEO - we chart Dennis Muilenburg's ascent to the top in our interactive more
From FlightGlobal
July 1st
​Discovery Aviation is hoping to secure US certification for its model 201 piston twin before the end of the year, when it will begin asking customers to convert their options into firm orders.
July 1st
​Massachusetts start-up Spike Aerospace has modified the design of its S-512 supersonic business jet, as the programme advances from the conceptual to the preliminary design phase.
July 1st
The Indonesian Air Force Lockheed Martin C-130B tactical transport aircraft that crashed on 30 June was probably carrying well over 100 people when it crashed in a Medan suburb, hitting a massage parlour and hotel.
June 30th
The Royal Australian Air Force will obtain an additional pair of Airbus Defence and Space KC-30A multi-role tanker transports (MRTT).
June 30th
Lockheed Martin has flight tested its new Legion Pod infrared search-and-track system for the first time on its F-16 Fighting Falcon in Fort Worth, Texas, as the US Air Force explores upgrades to make its legacy fighters more competitive against modern ai...
June 30th
A picture has appeared online of an Airbus Defence & Space C295W medium transport in an Uzbekistan air force livery, one of four of the type that are believed to have been ordered by the air force in 2014.



  • Two new links on the LINKS page, 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.



BOEING 787 - 9

You must install Adobe Flash to view this content.

Brazilian KC 390 First Flight - 2015/02/03

You must install Adobe Flash to view this content.