If there's a particular topic that interests you, visit
github.com/topics/<topic>. For example, if you are interested in machine learning, you can find relevant projects and good first issues by visiting https://github.com/topics/machine-learning. You can browse popular topics by visiting Topics. You can also search for repositories that match a topic you're interested in. For more information, see "Searching for repositories."
If you've been active on GitHub, you can find personalized recommendations for projects and good first issues based on your past contributions, stars, and other activities in Explore. You can also sign up for the Explore newsletter to receive emails about opportunities to contribute to GitHub based on your interests. To sign up, see Explore email newsletter.
Keep up with recent activity from repositories you watch and people you follow in the "All activity" section of your personal dashboard. For more information, see "About your personal dashboard."
You can connect with developers around the world in GitHub Community Support to ask and answer questions, learn, and interact directly with GitHub staff.
If you already know what project you want to work on, you can find beginner-friendly issues in that repository by visiting
github.com/<owner>/<repository>/contribute. For an example, you can find ways to make your first contribution to
electron/electron at https://github.com/electron/electron/contribute.
If you encounter a bug in an open source project, check if the bug has already been reported. If the bug has not been reported, you can open an issue to report the bug according to the project's contribution guidelines.
There are a variety of ways that you can contribute to open source projects.
You can contribute to an open source project by validating an issue or adding additional context to an existing issue.
You can contribute to an open source project by merging a pull request into your local copy of the project and testing the changes. Add the outcome of your testing in a comment on the pull request.
You can contribute to an open source project by adding additional information to existing issues.