Larger open-source communities publish project ideas. Those communities are usually somewhat organized because they need to prepare months ahead, assign mentors, got vetted by Google.
Can you be more precise, what are your interests? Skills?
It's hard to answer such generic question, at least I struggle to come up with anything meaningful.
Larger open-source communities publish project ideas. Those communities are usually somewhat organized because they need to prepare months ahead, assign mentors, got vetted by Google.
I'm biased so I point you to https://wiki.openstreetmap.org/wiki/Google_Summer_of_Code/20... and https://www.hotosm.org/get-involved