Digital product studio

Current projects — Millions of free practice challenges to sharpen your design skills.

Harlow — A time-bending game starring one badly damaged, curious robot.

Leaner News — Breaking news headlines organized by partisan lean. Now in beta.

Eiffel — Open-source stack for building static content websites.


We’re Arman and Anthony. It still feels surreal to us, but over 3 billion people have used the products we’ve made working for companies across numerous industries. Vault Labs is where we experiment with niche digital products, games, and open-source software.

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