Who founded Ultralight?

Ultralight was founded by Adam Simmons in 2017.

Who are Ultralight's investors?

Ultralight's investors include Y Combinator, Wisdom Ventures.

Where is Ultralight headquartered?

Ultralight is headquartered in San Francisco, US.

Ultralight

YC W19

San Francisco, US · Founded 2017 · 1 employees · 2 known investors

Find your way into Ultralight

843 people in our graph share verified history with the Ultralight team — schools, employers, funds. One of them is your warm intro.

Paul Kwanunlockedknows Adam Simmons · together at Stanford University (overlapped)

×3knows the team · via Stanford University

×8knows the team · via Y Combinator

Ultralight is a GPU-accelerated HTML rendering toolkit that embeds modern web content in games and native applications across Windows, macOS, Linux, and game consoles. Built on a lightweight WebKit fork, it serves game developers and native app developers who need high-performance, resource-efficient HTML rendering.

Developer Tools Enterprise Software Gaming Hardware Hard Tech B2B APIUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W19)

Ultralight was founded in 2017 by Adam Simmons.

Adam Simmons in 𝕏Founder & CEOAdam Simmons has 15 years of experience developing tools for games and desktop applications, with background in graphics research and expertise in C++, GPU, and UI systems.

Investors · 2

Y CombinatorSan Francisco · $500K

Wisdom VenturesreportedLos Gatos

Competitors · 1

by search overlap

Firefox,6 shared keywordsMozilla is a global community organization that develops and maintains open-source internet infrastructure, including the Firefox web browser and Thunderbird email client, while advocating for internet openness, privacy, and user control. The organization also invests in responsible technology startups and creates open-source AI tools for developers.

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In the news

Ultralight has raised $9,300,000.00 in new Funding - intelligence360intelligence360.news · May 2026

Frequently asked questions

What does Ultralight do?: Ultralight is a GPU-accelerated HTML rendering toolkit that embeds modern web content in games and native applications across Windows, macOS, Linux, and game consoles. Built on a lightweight WebKit fork, it serves game developers and native app developers who need high-performance, resource-efficient HTML rendering.
Who founded Ultralight?: Ultralight was founded by Adam Simmons in 2017.
Who are Ultralight's investors?: Ultralight's investors include Y Combinator, Wisdom Ventures.
Where is Ultralight headquartered?: Ultralight is headquartered in San Francisco, US.