Major League Hacking 2020 Hackathon Season

Build something out of this world!

Say hello to hello:world, a global initiative to unite the innovators, creators, and troublemakers of the world.


About Us

We're a nonprofit organization composed of UC Berkeley students passionate about fostering a culture of hacking, entrepreneurship, and social good via technology.

Our mission is to empower others with technology to create solutions to better the world.

Thanks so much for stopping by to say hi!



Our annual hackathon, hosted at UC Berkeley's beautiful campus, is where the technology of the future is born.


A program for new hackers designed to make the hackathon experience less intimidating but more accessible!


A program that hosts hackathon teams after the event to continue building and growing their projects to where they want to take it next.

Virtual Experiments

Hack Month

In Fall 2020, Cal Hacks hosted a month long initiative to foster a love for creating and rediscover the fun in building for university students during the virtual semester.


In Spring 2020, Cal Hacks launched a global online hackathon to foster innovative and technical solutions to challenges faced around the COVID-19 pandemic.

Our Team

Have a question for us? Email [email protected].