5 open source alternatives to Microsoft Exchange, 7 key components of observability in Python, and more

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• 7 key components of observability in Python
  Learn why observability is important for Python and how to implement it into your software development lifecycle.
  
  
• 10 holiday gift ideas for open source enthusiasts
  From DIY projects to computers to books, this list provides gift suggestions that foster creativity, learning, and exploring.
  
  
• Tips for formatting when printing to console from C++
  
  
• 4 open source ways to create holiday greetings
  
  
• Install apps on Linux with Flatpak
  
  
• Open source powers the United Nations' sustainability goals
  
  

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• Kdenlive cheat sheet
  Kdenlive is a robust open source video editing application. Keep Kdenlive keyboard shortcuts handy with this cheat sheet.
  

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