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LibreEngineering - suite of instrumentation, electrical, mechanical, process engineering calculation and design programs and other tools. Licensed under GPL3. Written in Python with Qt toolkit.

LibreEngineering Web Site


  • System International unit converter to NIST Special Publication 811
  • Thermowell design calculator to ASME PTC 19.3 TW 2010
  • Renewable energy sizing calculator to IEEE and AS/NZS 4509.2
  • Intrinsically safe parameters verification calculator to IEC 60079.14
  • Cable volt drop calculator to IEC 60287-1-1
  • Air compressor sizing calculator
  • Pipe sizing calculator to ASME B36.10
  • Process conditions converter between Actual/STP/NTP/SATP/ISA/ICAO
  • Reynolds number calculator
  • Video/audio/image codec based on FFMPEG/LibAV
  • Russian/Latin keyboard translitirator with spellcheck
  • Written in Python and Qt
  • OS independent (tested on Linux and Windows)
  • Minimalistic and simplistic approach
  • Licensed under GPL3

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