Free software
for NYC.

Columbia Software Solutions: a student consulting club building free software for NYC nonprofits and small businesses. Founded 2026. One client shipped. Advisors from Bain Capital Ventures, OpenAI, and Harvard Business School.

Scope
Match
Build
Review
Ship
Hand off

Advisory Board

Advisors.

Senior operators from BCV, OpenAI, and HBS. They review scope and code with us.

  • Kevin Zhang headshot

    Kevin Zhang

    Partner, Bain Capital Ventures

    Early investor in DoorDash, Rec Room, and Tally. Columbia alum.

  • Gary Lin headshot

    Gary Lin

    OpenAI

    Building at the frontier of applied AI.

  • Hadley Callaway headshot

    Hadley Callaway

    Incoming HBS

    Previously SWE at Brex and Doppel.

What we do

How we work.

Real clients.

We pair Columbia engineers with NYC nonprofits and small businesses. We scope the work, build the product, and hand it off.

Senior review.

Senior advisors in Big Tech review scope and code.

Shipped in a semester.

Projects run 1–2 months. Our first project shipped in Spring 2026.

Case Study — Spring 2026

Shipped work.

Refettorio Harlem check-in tablet UI

Community kitchen — Harlem, NYC

Refettorio Harlem

WhatsApp logging bot and offline-capable tablet check-in app for a Harlem community kitchen. Replaces manual paper tracking with structured data pipelines writing to a shared Google Sheets backend.

  • Node.js
  • Express
  • Twilio API
  • React
  • Google Sheets API
  • IndexedDB
  • Railway
700+
guests per week
−5s
per customer
3
data streams unified

For Columbia students

For students.

You're paired with a 3–4 person team and an advisor from BCV, OpenAI, or HBS. You ship a deployed product in 1–2 months.

Join the Fall 2026 waitlist

For NYC nonprofits & small businesses

For clients.

Scope a project with us. We match a 3–4 person team. You ship in a semester. No cost.

Work with us

Team

Founders.

  • Ethan Zhang headshot

    Ethan Zhang

    Founder

    Columbia CS '28.

  • Kushaan Vardhan headshot

    Kushaan Vardhan

    Co-founder

    Columbia CS '28.

  • Siddharth Rout headshot

    Siddharth Rout

    Founding Team

    Columbia CS '29.

  • Toffy Prakittiphoom headshot

    Toffy Prakittiphoom

    Founding Team

    Columbia SD '28.

Build with us

Build with us.

Fall 2026 cohort opens this summer.

Join the waitlist