Find a cofounder by building in the open

The best way to find a cofounder is to show what you are building. On SparkTower every project says what it needs, and builders can see the work before they reach out.

Browse projects looking for people
About SparkTower
A business simulation your class runs, not just reads
A business simulation game where every decision is yours
A business simulation for training your team
Build a simulation once. Sell it to every class that needs it.
A startup simulator built from your own business
Validate your startup idea before you build it
Test your business plan before you bet on it
Build your startup in public
From an idea to a plan you can follow
Help and support

Say who you are looking for

List the roles your project needs — an engineer, a designer, someone to sell — and they show on your project page and in Discover.

Browse projects that need you

Discover lists startups and side projects by industry and stage, with the roles they are hiring for. Follow the ones you like and apply to join.

See the work first

Every project posts its progress, so you know how someone works before you commit to working with them.