Open-Source Project Contribution

• Hacktoberfest - Contribute to open-source projects through Hacktoberfest. - A platform to help technical and non-technical people contribute to open-source projects.
  
• GitHub - Contribute to open-source projects through GitHub - Find a list of open-source projects.
  
• First Timers Only - Contribute to open-source projects through First Timers Only - for the code newbie or experienced coder.
  
• First Contributions - Contribute to open-source projects through First Contributions - A project to simplify and guide the way beginners make their first contribution.
  
• Up-For-Grabs - Contribute to open-source projects through Up-For-Grabs - a list of projects which have curated tasks specifically for new contributors.
  
• Good First Issues - Contribute to open-source projects through Good first issues - a website primarily targeted at developers who want to contribute to open-source software but do not know where or how to start.
  
• CodeTriage - Contribute to open-source projects through Code Triage - Free community tools for contributing to Open Source projects
  
• Outreachy - Contribute to open-source projects through Outreachy - an online collaborative environment for learning and remote mentoring with experienced FOSS contributors.
  
• Python - Contribute to open-source projects through Python - an open-source platform for developers.
  
• Scala - Contribute to open-source projects through Scala - an Open Source platform for learning different technologies based in the Scala Programming Language.
  
• Season of Docs - Contribute to open-source projects through Seasons of Docs - A platform that provides support for open-source projects to improve their documentation and allows professional technical writers to gain experience in open source.
  
• Google summer of code - Contribute to open-source projects through Google Summer of Code - a global, online program focused on bringing new contributors into open-source software development.
  
• Forem - Contribute to open-source projects through Forem - an open-source platform for building modern, independent, and safe communities.
  
• Open-source programs and competitions - Contribute to open-source projects through the Open Source programs — a GitHub repository list of resources.