Tech talks and hackathons in San Francisco

In-person tech talks, hackathons, and meetups across San Francisco and Silicon Valley.

Next 4 weekends

Sunday, October 25

Hack for Social Impact 2026

All day, through Oct 25Free

Wefunder HQ, San FranciscoA weekend hackathon where technologists build AI and other technology for scoped, real-world problems from nonprofits, NGOs and government partners, with an emphasis on projects that get deployed and funded after the event rather than abandoned.Rain or shine

Cal Hacks 13.0

All day, through Oct 25

Palace of Fine Arts, San FranciscoThe world's largest collegiate hackathon, run by Hackathons @ Berkeley: a 36-hour, fully in-person, three-day event for undergraduate and graduate students and recent grads, with 2,000+ hackers expected and $100,000 in prizes.Rain or shine

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Tech talks and hackathons in San Francisco

Next 4 weekends

Fri, Oct 16 to Sun, Oct 18

Fri, Oct 23 to Sun, Oct 25

Fri, Oct 30 to Sun, Nov 1

Fri, Nov 6 to Sun, Nov 8

Sunday, October 25

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