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tday.com

YC X26

San Francisco, US · Founded 2026 · 2 employees · 1 known investors

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tday automatically records product demos and generates launch content including videos and graphics when software releases ship, capturing the live product in action and re-recording on every update. The platform serves software development teams who need polished demo videos and launch materials without manual video production.

Also known as markup.one · tday

Developer ToolsEnterprise SoftwareMarketing TechUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (X26)

tday.com was founded in 2026 by Cyrus Kelly and David McDonough.

CKCyrus Kelly
Cyrus KellyCo-Founder & CEOCyrus Kelly studied computer science at the University of Adelaide and led student entrepreneurship initiatives there before building a student club platform with banking features. He is now co-founder and CEO of tday.
DMDavid McDonough
David McDonoughCo-Founder & COODavid McDonough is building tday, an AI system that generates marketing materials from code repositories and pull requests. He previously served as Technical Lead at VAL.AI, where he developed an energy efficiency scoring model deployed across Australian banking and real estate platforms, and as Lead Engineer at MEQ Solutions, where he developed machine learning models for predicting meat quality from spectroscopy data. He holds a B.Eng. in Computer Systems with Honours.

Investors · 1

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Frequently asked questions

What does tday.com do?
tday automatically records product demos and generates launch content including videos and graphics when software releases ship, capturing the live product in action and re-recording on every update. The platform serves software development teams who need polished demo videos and launch materials without manual video production.
Who founded tday.com?
tday.com was founded by Cyrus Kelly, David McDonough in 2026.
Who are tday.com's investors?
tday.com's investors include Y Combinator.
Where is tday.com headquartered?
tday.com is headquartered in San Francisco, US.