We are the

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The y/cs is a group of product enthusiats that build software applications for Yale University's campus community and connect over our shared love for applied computing.

Explore our products

By the numbers

80+
Developers creating innovative applications to benefit the Yale and New Haven community.
50+
Catalyst program members taught and mentored each year, nurturing the next generation of developers.
20,000+
Unique users across all y/cs applications, demonstrating our widespread campus impact.
Cultivating a passion for computer science, at all skill levels

Development

Become a member of one of our software teams and help build applications that benefit the Yale and New Haven community.

Mentorship

New to software engineering? Learn from experienced mentors through our structured y/cs Catalyst Program.

Events

Participate in social events, hackathons, and workshops, as well as interact with industry leaders on Yale's campus.

Community

Find and connect with likeminded individuals through our Discord server. Join our community of developers and tech enthusiasts.

Where Our Members Land

Google logo
Google
Meta logo
Meta
Microsoft logo
Microsoft
Amazon logo
Amazon
Bloomberg logo
Bloomberg
Netflix logo
Netflix
NVIDIA logo
NVIDIA
SIG logo
SIG
Our Partners & Sponsors
Meta

Meta

Bloomberg

Bloomberg

Jane Street

Jane Street

Tsai City

Tsai City

Interested in partnering with Yale Computer Society?

YCS logo

Ready to join Yale's premier tech community?

The Fall 2025 Membership Application will open following the Extracurricular Bazaar.