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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
October 27th
Lockheed Martin and Turkey-based Roketsan are to codevelop a medium-range cruise missile for internal carriage on the F-35. Final integration of the 1,000 lb.-class SOM-J weapon is planned for 2023 as part of the Block 4 capability upgrade. Designed to me...
October 27th
Greg Psihas has become vice president-corporate development for the Lockheed Martin Corp., Bethesda, Maryland. He was corporate vice president-mergers and acquisitions at Applied Materials.  Guy Hachey, retired president/chief operating officer of Bo...
October 27th
Moody’s Investors Service has downgraded Kremlin-controlled aircraft maker Irkut, a subsidiary of United Aircraft Corp., based on Russia’s worsening economic situation. The U.S.-based credit rating agency says it still believes Irkut and other...
October 27th
Asia-Pacific Staff India’s share of a new fighter effort slides as R&D contract deal nears Though India and Russia are nearing a deal on a “joint effort” to develop a fifth-gen...
October 27th
Mergers and acquisitions activity in the U.S. aerospace and defense industry slowed in the third quarter, according to PricewaterhouseCoopers. Total deal volume slipped to the lowest level in 11 quarters, and was the weakest since the second quarter of 20...
October 27th
Embraer’s KC-390 is a now a reality, but could its partners’ economic pressures hold it back? With new and potential orders, Embraer sees bright future for KC-390 airlifter. Emphasizing its multirole capability along...
From FlightGlobal
October 23rd
​Under the metallic and composite skin of Gulfstream’s new G500 and G600 lie several new innovations that came to light in supplier announcements and interviews at the NBAA convention.
October 23rd
Saab says it is on track to sign a contract with Brazil to provide its air force with the Gripen NG multirole fighter, following the nation's selection of the type for a 36-aircraft purchase in December 2013.
October 22nd
​Three global investment firms have launched a new leasing service – dubbed Global Jet Capital – with more than $2 billion in available financing catering to the large-cabin, long-range business jet market.
October 22nd
​Singular Aircraft is to begin a flight test certification campaign of its new Flyox I unmanned air vehicle in the next two weeks, starting in the arctic.
October 22nd
The British Antarctic Survey expects to order unmanned vehicles that can carry sensors or spare parts in weather too harsh for manned aircraft.
October 22nd
Towed through a haze of green and yellow smoke, depicting Brazil’s national colours, and columns of fireworks, the civilian-marked KC-390 exited Embraer’s construction hangar in Gavião Peixoto into an apron spot located directly in front of guests at a ro...



  • 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.



Sukhoi Su-35 at Paris

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SOLAR IMPULSE: Wonderful engineering work

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