Also you may search github for issues labelled 'up-for-grabs', 'help wanted', 'hacktoberfest', 'good first issue'. Those are usually easy to understand and implement.
Good luck with contributing to open source!
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We're a place where coders share, stay up-to-date and grow their careers.
Well you might use the software made to find projects to contribute to :)
A few examples:
up-for-grabs.net/
github.com/cutenode/good-first-issue
Also you may search github for issues labelled 'up-for-grabs', 'help wanted', 'hacktoberfest', 'good first issue'. Those are usually easy to understand and implement.
Good luck with contributing to open source!