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by squiguy7 3337 days ago
You can try to look under GitHub's trending page for those languages (e.g. https://github.com/trending/ruby).

Also I like to check out tools that I use daily and see if there are issues I can tackle. You can follow mailing lists, public slack channels, etc. too.

Just talking to others will give you ideas to get started. And if you can't find anything quickly, start your own and have fun with it!