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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
September 25th
After a summer of scuffles with China along the Tibetan border, India is considering developing a satellite to improve border surveillance. read more
September 25th
AVIATION WEEK NETWORK forecasts that over the next ten years, demand for maintenance, repair and overhaul (MRO) services generated by Western-designed military transport helicopters will total $130 billion. read more
September 25th
GENERAL DYNAMICS ELECTRIC BOAT has $5.1b U.S. Navy contract for next phase of Columbia-class ballistic missile submarine development. Construction to begin fiscal 2021. U.S. ARMY and LOCKHEED MARTIN conducted successful intercept test of a ballistic miss...
September 25th
To list an event, send information in calendar format to Donna Thomas at For a complete list of Aviation Week Network’s upcoming events, and to register, visit read more
September 25th
Sikorsky is targeting European Aviation Safety Agency (EASA) and Transport Canada certification of its Gross Weight Expansion for the S-92 twin-engine heavy helicopter by the end of 2017. read more
September 25th
Chinese police forces signed agreements with Chongqing General Aviation Industry Group involving 15 Enstrom 408B turbine helicopters for law enforcement. read more
From FlightGlobal
September 24th
Level, IAG s new long-haul low-cost airline, will expand its fleet to up to 30 aircraft within five years as it plots long-haul expansion beyond its initial Barcelona-based operation.
September 21st
Boeing forecasts Southeast Asia's demand for passenger aircraft to reach 4,210 units over the next 20 years, with a value of $650 billion.
September 21st
Boeing has announced that Turkish Airlines intends to order 40 787-9s.
September 20th
Japan Airlines has been identified as the customer for four Boeing 787-8s that were previously attributed to an unidentified customer.
September 20th
Qantas s first Boeing 787-9 has emerged from the manufacturer s paint shop, resplendent in the carrier s new Silveroo livery.
September 19th
Airbus remains optimistic about selling A380s in China over the next five to seven years on the back of growing passenger demand.



  • 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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