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
January 17th
Lord Co., Erie, Pennsylvania, is being awarded a $27,067,123 five-year firm-fixed-price, long-term contract for repair of three items used on the V-22 aircraft. read more
January 17th
Israel’s UVision has demonstrated an extended-range loitering munition, using a moving vehicle and a human in various scenarios to show the system’s ability to track, lock on and precisely strike a target as well as its ability to abort the mission. re...
January 17th
CAE purchased 45% of shares in PELESYS (aviation training systems/courseware). read more
January 17th
View the Leisure And Discount Average Business Fares: Week Of January 8 Vs. Previous Week And Year-Ago Week charts in PDF format.
January 17th
James Pozzi In the minds of many industry analysts, there’s an air of inevitability about further aftermarket acquisitions in 2018. “MRO M&A activity will continue...
January 17th
Lindsay Bjerregaard read more
From FlightGlobal
January 15th
The relentless rise in mainline jet output continued in 2017, with Airbus and Boeing both setting new production records and reaching almost 1,500 deliveries between them. There has also been a significant uptick in orders which was not forecast a year ag...
January 14th
Mandarin Airlines is targeting to begin operations of its ATR 72-600 turboprops before the Lunar New Year period in mid-February.
January 10th
Tianjin Airlines will induct Airbus A350s into its fleet in 2018, with plans to launch services to popular long-haul destinations such as Los Angeles and Madrid.
January 9th
Boeing finished 2017 with 912 net orders, setting a high bar for Airbus to match, the Seattle-based manufacturer announced on 9 January.
January 5th
Turkish Airlines has disclosed a memorandum of understanding with Airbus that covers 25 A350-900s.
January 4th
China Aircraft Leasing (CALC) has ordered an additional 15 Airbus A320neos, only weeks after closing a deal for 50 of the same type.



  • 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.



B250 at Bubai 2017

You must install Adobe Flash to view this content.

BOEING 787 - 9  first flight

You must install Adobe Flash to view this content.