RunKit
AcquiredYC S16San Francisco, US · 2 employees · 1 known investors
Find your way into RunKit
765 people in our graph share verified history with the RunKit team — schools, employers, funds. One of them is your warm intro.
Laura Buhlerunlockedknows Francisco Tolmasky · together at Stripe (overlapped)
×6knows the team · via Stripe
×3knows the team · via Y Combinator
×2knows the team · via University of Southern California
RunKit provides an interactive sandbox environment for testing server-side JavaScript code, allowing developers to experiment with different Node.js versions and npm packages without installation overhead.
Also known as Tonic
Founders & leadership· Y Combinator alumni (S16)
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Francisco TolmaskyinFounder/CEOFrancisco Tolmasky was an early member of Apple's iPhone team, where he worked on Mobile Safari and WebKit, and later co-founded 280 North, which developed the Cappuccino Framework and was acquired by Motorola in 2010. He currently leads RunKit at Stripe, an interactive sandbox for testing Node.js code and npm packages.
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Wolf RentzschFounder
Investors · 1
Frequently asked questions
- What does RunKit do?
- RunKit provides an interactive sandbox environment for testing server-side JavaScript code, allowing developers to experiment with different Node.js versions and npm packages without installation overhead.
- Who founded RunKit?
- RunKit was founded by Francisco Tolmasky, Pieter Ouwerkerk, Wolf Rentzsch.
- Who are RunKit's investors?
- RunKit's investors include Y Combinator.
- Where is RunKit headquartered?
- RunKit is headquartered in San Francisco, US.


