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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
July 5th
The Baltic Sea presents an unusually challenging environment for submariners. Saab is offering an all-new, 2,000-ton-class vessel tailor made for it. The company received a $1.03 billion contract at the end of June for the ...
July 2nd
U.S. seeks to contain China with bid to sell weapons to Vietnam U.S. mulls sale of lethal weapons to Vietnam in bid to counter China’s territorial ambitions. read more
July 2nd
F-35 team downplays combat maneuvering test results. But is it time to write off the importance of classic performance parameters? Fight’s on! read more
July 2nd
Expendable UAVs add potent attack capability to operations Three Israeli companies highlight loitering UAV munitions in Paris read more
July 2nd
F-35 team downplays combat maneuvering test results. But is it time to write off the importance of classic performance parameters? Fight’s on! read more
July 2nd
Features of a civilian UUV could inspire a military version Icefin, an unmanned underwater vehicle developed for NASA, could have defense applications as well. read more
From FlightGlobal
July 1st
​The Lockheed Martin F-35 Joint Strike Fighter might be designed to “shoot and kill” its enemies at long distances, but flight trials of the A-model in January found the aircraft has trouble engaging the twin-seat F-16D Fight Falcon at close distances.
July 1st
One Aviation is upgrading its fleet of unsold Total Eclipse very light jets with the same features as its latest model, the EA550, in an attempt to clear the remaining backlog of second-generation Eclipse 500s from its base in Albuquerque, New Mexico.
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).



  • 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

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Brazilian KC 390 First Flight - 2015/02/03

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