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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 18th
Lower weight, better performance and lower operating costs were the main reasons that Boeing is offering a platform based on the 737-700 for the U.S. Air Force’s Joint Stars (Joint Surveillance Target Attack Radar System) recapitalization program, a...
September 18th
NEW DELHI—Helicopter manufacturer Sikorsky Aircraft Corp. aims to establish more manufacturing facilities in Asia, as defense agencies in the region demand joint production of military equipment. read more
September 18th
FORT WASHINGTON, Maryland — Boeing believes its joint proposal with Lockheed Martin is in a strong position to win the U.S. Air Force’s Long Range Strike Bomber (LRS-B) contest, headed for source selection early in the first quarter of 2015. ...
September 18th
HOUSTON — NASA’s congressionally directed efforts to discover and track Near Earth Objects (NEOs) that could pose an impact threat to Earth and develop mitigation strategies are poorly coordinated, though organized under a single program offic...
September 18th
United Launch Alliance (ULA) has picked Blue Origin, the secretive Seattle-based space-vehicle company founded and funded by chief Jeff Bezos, to complete development of a 550,000-lb. thrust rocket engine that could replace the Russian-built RD...
September 18th
NASA’s Mars Atmosphere and Volatile Evolution (Maven) spacecraft is on track to complete its 10-month journey to the red planet on Sept. 21, when it will enter an initial elliptical orbit to begin its planned one-year mission studying Mars’ cl...
From FlightGlobal
September 18th
​The US Navy’s newest maritime surveillance unmanned air vehicle made its maiden cross-country ferry flight and landed safely on 18 September at Naval Air Station Patuxent River in Maryland.
September 18th
​Rolls Royce has proven that an improved AE 1107C engine that powers all Bell-Boeing V-22 tiltrotor aircraft are capable of performing to the “high and hot” envelope that the US military needs for missions in harsh terrain like the mountains of Afghanista...
September 18th
​Denel Dynamics plans to start pre-qualification flight testing in November of the A-Darter air-to-air missile on the Saab JAS 39 Gripen NG, in anticipation of orders from the Brazilian Air Force, a company spokeswoman says.
September 18th
​NASA has partnered with Airware to develop a traffic management system for safe low-altitude UAV operations.
September 18th
​An ongoing discussion about restarting Rooivalk production includes an option to design a new platform based on technology developed for South Africa’s indigenous attack helicopter, says Denel Group chief executive Riaz Saloojee.
September 18th
​Airbus Helicopters is to accelerate the start of production of civil EC225 rotorcraft by its Helibras subsidiary in Brazil as it looks to take advantage of the nation’s booming oil and gas segment.



  • 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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