Industry

YC Engineering, Product and Design Companies

610 Y Combinator engineering, product and design startups with verified founder contacts, batch info, and company data.

610

Companies

480

Active

Acquired

Public

YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Noya Software	W23	Product design tool that lets everyone design like a designer	Active	San Francisco, CA, USA; Remote	2	Devin Abbott, David Chen	Reveal
Outerbase	W23	The interface for your database	Acquired	Pittsburgh, PA, USA	4	Brandon Strittmatter, Brayden Wilmoth	Reveal
Outerbase	W23	The interface for your database	Acquired	Pittsburgh, PA, USA; San Francisco, CA, USA; Remote	4	Brandon Strittmatter, Brayden Wilmoth	Reveal
Pierre	W23	Pierre is a new, opinionated, git platform.	Active	San Francisco, CA, USA	10	Jacob Thornton, Ian Ownbey	Reveal
Pirros	W23	AI Platform for Architects and Engineers	Active	Los Angeles, CA, USA	44	Ari Baranian, Peter Johann	Reveal
PoplarML	W23	Deploy Machine Learning Models with One Command	Active	San Francisco, CA, USA	2	Danna Liu, Evan Chu	Reveal
Relace	W23	Models and infra for coding agents	Active	San Francisco, CA, USA	7	Preston Zhou, Eitan Borgnia	Reveal
Resend	W23	Email for developers	Active	Remote	45	Zeno Rocha, Bu Kinoshita	Reveal
Rubber Ducky Labs	W23	AI Powered Product Discovery	Inactive	San Francisco, CA, USA	2	Alexandra Kissel, Georgia Hong	Reveal
Rubber Ducky Labs	W23	AI Powered Product Discovery	Inactive	San Francisco, CA, USA; Remote	2	Alexandra Kissel, Georgia Hong, Alexandra Johnson	Reveal
Serial	W23	Root cause manufacturing issues in seconds	Inactive	San Francisco, CA, USA	2	Tak Alguire, Devon Copeland	Reveal
Serial	W23	Root cause manufacturing issues in seconds	Inactive	San Francisco, CA, USA	2	Tak Alguire, Devon Copeland	Reveal
ShortLoop	W23	Phone AI that Captures Every Dealership Revenue Opportunity	Active	San Francisco, CA, USA	8	Vishnu Vinjam, Sumit Mulchandani, Deepak Thakur	Reveal
Skyhook	W23	PaaS-like experience with the power of Kubernetes, on your cloud	Active	Tel Aviv-Yafo, Tel Aviv District, Israel	7	Nadav Erell	Reveal
Social Radar	W23	Social Radar is the best way to search for posts, people, and…	Active	San Francisco, CA, USA	3	Rohan Arora, Venkat Krishnan	Reveal
Streamstraight	W23	The best way to stream LLM thinking traces to your frontend	Active	San Francisco, CA, USA	1	Hansen Qian	Reveal
Trigger.dev	W23	Build and deploy fully‑managed AI agents and workflows	Active	London, England, United Kingdom	9	Matt Aitken, Eric Allam, Dan Patel, James Ritchie, Daniel Patel	Reveal
Vellum	W23	The AI Product Development Platform	Active	New York, NY, USA	23	Akash Sharma, Sidd Seethepalli, Noa Flaherty	Reveal
Vellum	W23	—	Active	New York City, NY, USA	23	Akash Sharma, Sidd Seethepalli, Noa Flaherty	Reveal
Versive	W23	AI-first user research platform	Active	San Francisco, CA, USA	3	David Correa Orozco, Eric Li	Reveal
Wild Moose	W23	Automating root cause analysis with generative AI	Active	New York City, NY, USA	3	Yasmin Dunsky, Roei Schuster, Tom Tytunovich	Reveal
Baserun	S23	Observability and evaluation platform for LLM apps.	Active	San Francisco, CA, USA	2	Effy Zhang	Reveal
Briefer	S23	The collaborative data platform.	Inactive	São Paulo, SP, Brazil; Remote	2	Lucas da Costa, Lucas Vieira, Lucas da Costa	Reveal
Bronco AI	S23	AI for ASIC Design Verification	Active	San Francisco, CA, USA	5	David Zhi LuoZhang, Jeffrey Pan, David Zhi LuoZhang	Reveal
Bronco AI	S23	AI for ASIC Design Verification	Active	San Francisco, CA, USA	5	David Zhi LuoZhang, Jeffrey Pan	Reveal
Continue	S23	Pioneering open-source coding agent	Acquired	San Francisco, CA, USA	—	Ty Dunn, Nate Sesti	Reveal
DataShare	S23	Embed charts, dashboards and exports in your app	Active	Austin, TX, USA; Remote	1	Brian Brunner	Reveal
Dioxus Labs	S23	Web, Desktop, and Mobile apps with one codebase in Rust	Active	—	4	Jonathan Kelley	Reveal
FlowiseAI	S23	Open source GenAI development platform	Acquired	Remote	5	Henry Heng, Chung Yau Ong, Chung Yau Ong	Reveal
Giga	S23	AI Support Agent for Enterprises.	Active	San Francisco, CA, USA	30	Varun Vummadi, Esha Dinne	Reveal
Inari	S23	Your junior AI product manager	Acquired	San Francisco, CA, USA	2	Frank Lee, Eric Kim, Frank Perkins	Reveal
Inconvo	S23	Build chat-with-data agents for customer-facing applications	Active	Limerick, Ireland	2	Eoghan Mulcahy, Liam Mulcahy	Reveal
Metoro	S23	AI SRE For Teams on Kubernetes	Active	London, England, United Kingdom	2	Chris Battarbee	Reveal
OpenPipe	S23	Turn expensive prompts into cheap fine-tuned models	Acquired	Seattle, WA, USA	2	Kyle Corbitt, David Corbitt	Reveal
OpenTools	S23	The API for LLM tool use	Active	—	3	Andy Qin	Reveal
RecipeUI	S23	The open source Postman alternative.	Active	San Francisco, CA, USA	2	Samuel San	Reveal
refine	S23	Open-source Retool for enterprise	Active	San Francisco, CA, USA; Remote	10	Civan Ozseyhan, Omer Aplak, Eren Erkalkan	Reveal
Repaint	S23	Build a website by chatting with AI	Active	San Francisco, CA, USA	2	Ben Shumaker, Izak Fritz	Reveal
Shadeform	S23	The GPU Cloud Marketplace	Active	—	11	Ed Goode, Ronald Ding	Reveal
Shadeform	S23	The GPU Cloud Marketplace	Active	—	6	Ed Goode, Ronald Ding	Reveal
SID	S23	AI research lab for retrieval	Active	San Francisco, CA, USA	4	Maximilian-David Rumpf, Lotte Seifert	Reveal
SID	S23	AI research lab for retrieval	Active	San Francisco, CA, USA	7	Maximilian-David Rumpf, Lotte Seifert	Reveal
Silimate	S23	The copilot for chip designers	Active	Mountain View, CA, USA	8	Ann Wu, Akash Levy	Reveal
Spine AI	S23	Manage a swarm of AI agents to get real work done	Active	San Francisco, CA, USA	7	Akshay Budhkar, Ashwin Venkatesh Raman	Reveal
Spine AI	S23	Manage a swarm of AI agents to get real work done	Active	San Francisco, CA, USA	7	Akshay Budhkar, Ashwin Venkatesh Raman	Reveal
Structured Labs	S23	The publishing layer for the agentic internet	Inactive	San Francisco, CA, USA	5	Amrutha Gujjar, Shivam Singhal	Reveal
sudocode	S23	orchestrate your coding agents with sudocode	Active	San Francisco, CA, USA	2	Randy Song, Alex Ngai	Reveal
Sweep	S23	The best AI coding assistant for JetBrains	Active	San Francisco, CA, USA	4	William Zeng, Kevin Lu	Reveal
Sweetspot	S23	AI for Government Contracting.	Active	New York City, NY, USA	10	Sachin Subramanian, Philip Kung, Andrew Arkhipov	Reveal
Sweetspot	S23	AI for Government Contracting.	Active	—	10	Sachin Subramanian, Philip Kung, Andrew Arkhipov	Reveal

Batch Distribution

XX2615 XX2515 WW2624 WW2528 WW2457 WW2353

Status Breakdown

Active480 Acquired73 Inactive56 Public1

Top Locations

San Francisco342 New York City36 London20 New York20 Los Angeles13 Austin8

About YC Engineering, Product and Design Companies

Y Combinator has funded 610 engineering, product and design companies since its founding in 2005. These startups span from early-stage pre-launch to publicly traded companies, making YC one of the most prolific backers of engineering, product and design innovation globally.

480 of these companies are currently active. 73 have been acquired. 1 have gone public. VCBacked tracks verified founder contact information, team sizes, and company status for every YC engineering, product and design startup.

Related Industries

B2B3278 Healthcare805 Fintech709 Consumer654 Industrials489 Infrastructure303 Productivity208 Real Estate and Construction184

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