We are the
Yale Computer Society.

Yale's premier tech organization and software application incubator.

We build and maintain student-run applications that power Yale University's campus community.

80+ developers

creating apps to benefit the Yale and New Haven community.

50+ Catalyst members

taught each year.

20,000+ unqiue users

across all y/cs applications.

Cultivating a passion for software development and computing
From development mentorship to hacking nights, we create a community for programmers of all skill levels.

Computer Security

Hear from students and professionals about the technical tricks of the trade, compete in fun Capture the Flag challenges to hone your skills and work with the development teams to secure their products.

Our Partners & Sponsors
y/cs Partners & Sponsors help make our goals a reality.
MetaBloombergJane StreetTsai City
Jane Street
Tsai City
Ready to join the best computer science club at Yale?
The Fall 2024 Membership Application will open following the Extracirrcular Bazaar.