Industry

YC Engineering, Product and Design Companies

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

439

Companies

344

Active

Acquired

Public

YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Site	Founders	Reveal
MagnaPlay	W23	AI-powered game translation.	Active	—	5		Paulo Rodrigues, Eugenio Sánchez Rabiella	Reveal
Nango	W23	A single API for all your integrations	Active	San Francisco, CA, USA	6		Robin Guldener, Bastien Beurier	Reveal
Noya Software	W23	Product design tool that lets everyone design like a designer	Active	—	2		Devin Abbott	Reveal
Outerbase	W23	The interface for your database	Acquired	Pittsburgh, PA, USA	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	Github for Construction	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	—	7		Preston Zhou, Eitan Borgnia	Reveal
Resend	W23	Email for developers	Active	—	23		Zeno Rocha, Bu Kinoshita	Reveal
Rubber Ducky Labs	W23	AI Powered Product Discovery	Inactive	San Francisco, CA, USA	2		Alexandra Kissel, Georgia Hong	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, 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
Syncly	W23	AI to auto-analyze all your customer communications	Active	San Francisco, CA, USA	9		Joseph Lee, Jongsoo Keum, Kwan Yoon	Reveal
Trigger.dev	W23	Build and deploy fully‑managed AI agents and workflows	Active	London, UK	9		Matt Aitken, Eric Allam, Dan Patel, James Ritchie	Reveal
Vellum	W23	The AI Product Development Platform	Active	New York, 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, NY, USA	3		Yasmin Dunsky, Roei Schuster, Tom Tytunovich	Reveal
Axross Pte Ltd	W22	AI-driven HVAC control system for improved energy performance	Active	Singapore	10		David Chew	Reveal
BotCity	W22	Observability and Governance for AI-Generated Python scripts.	Active	San Francisco, CA, USA	35		Lorhan Caproni, Gabriel Archanjo	Reveal
Bracket	W22	Two-way syncs between business tools and your database	Acquired	New York, NY, USA	3		Vinesh Arun, Kunal Garg, Ian Yanusko	Reveal
Brainboard	W22	Visually design and manage cloud infrastructures.	Active	New York, NY, USA	9		Chafik Belhaoues, Jeremy Albinet	Reveal
Broccoli AI	W22	AI-native operating system for home service businesses	Active	San Francisco, CA, USA	21		Aditya Ketkar	Reveal
CUTR	W22	The marketplace for wood manufacturing	Active	Amsterdam, Netherlands	22		Oscar Peppitt, Rodny Heemskerk, Jasper Mittelmeijer	Reveal
Hyperbeam	W22	API for shared embeddable web browsers	Active	Waterloo, ON, Canada	3		Philip Scott, Ambareesh Balaji	Reveal
Jamsocket	W22	Run compute-intensive apps in a browser	Acquired	New York, NY, USA	5		Paul Butler, Taylor Baldwin	Reveal
Karate Labs	W22	Open-source API & UI test automation	Active	Wilmington, DE, USA	2		Kapil Bakshi, Peter Thomas	Reveal
Massdriver	W22	Deploy secure, scalable cloud infrastructure in minutes not days	Active	Los Angeles, CA, USA	11		Cory O'Daniel, Chris Hill, david williams	Reveal
Mintlify	W22	The intelligent documentation platform	Active	San Francisco, CA, USA	35		Han Wang, Hahnbee Lee	Reveal
Nyckel	W22	Classify Anything	Active	California, USA	4		Oscar Beijbom, George Mathew	Reveal
Ploomber	W22	Heroku for AI	Active	New York, NY, USA	7		Eduardo Blancas, Ido Michael	Reveal
PropelAuth	W22	Team-based authentication for B2B SaaS	Active	California, USA	6		Andrew Israel	Reveal
Query Vary	W22	No-Code LLM Application / Workflow Builder	Active	San Francisco, CA, USA	6		Walter Pintor	Reveal
Rally UXR	W22	User Research CRM	Active	New York, NY, USA	30		Oren Friedman, Alec Robins	Reveal
Requestly	W22	Open-Source Postman alternative	Acquired	San Francisco, CA, USA	19		Sachin Jain, Sagar Soni	Reveal
Sendo	W22	The best SMS/RCS API for startups	Inactive	New York, NY, USA	1		Nick Rubin, Daniel Lewis	Reveal
Sendo	W22	The best SMS/RCS API for startups	Inactive	New York, NY, USA	1		Nick Rubin, Daniel Lewis	Reveal
Spade	W22	Enriched transaction data you can build on	Active	New York, NY, USA	13		Oban MacTavish, Cooper Hart	Reveal
Stably AI	W22	AI Testing that Writes, Runs & Maintains Tests for Every PR & Release	Active	San Francisco, CA, USA	8		Jinjing Liang, Neil Parker	Reveal
Theneo	W22	Stripe-like API Docs in just a few clicks	Active	San Francisco, CA, USA	21		Ana Robakidze	Reveal
Vessel	W22	Developer-first, native integration platform for GTM tools	Inactive	San Francisco, CA, USA	5		Avery Yip, Zachary Kirby	Reveal
Vimmerse	W22	Bring your photos to life with Vimmerse	Active	San Jose, CA, USA	10		Basel Salahieh	Reveal
WI Winter	W22	Credit card checkout for NFTs	Acquired	San Francisco, CA, USA	3	—	Michael Luo, Laila Chima	Reveal
Alokai	W21	Frontend Platform for eCommerce	Active	Warsaw, Poland	100		Patrick Friday, Filip Rakowski, Bart Roszkowski	Reveal
Authologic	W21	Stripe for online identity verification	Active	—	33		Jarek Sygitowicz, Krzysztof Klimczak, Marek Rogoziński	Reveal
authzed	W21	Cloud Infrastructure for Authorization	Active	New York, NY, USA	31		Jake Moshenko, Jimmy Zelinskie, Joseph Schorr	Reveal
AXAR AI	W21	Multi-agent orchestration platform	Active	Mountain View, CA, USA	41		Syam A	Reveal
Clay	W21	Figma for 3D design	Inactive	—	5		Phillippe Siclait, Sebastien Siclait	Reveal

Batch Distribution

WW2614 WW2524 WW2440 WW2342 WW2225 WW2128

Status Breakdown

Active344 Acquired52 Inactive42 Public1

Top Locations

San Francisco212 New York37 London10 Los Angeles7 Mountain View6 Toronto5

About YC Engineering, Product and Design Companies

Y Combinator has funded 439 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.

344 of these companies are currently active. 52 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

B2B641 Industrials89 Consumer80 Healthcare78 Fintech65 Infrastructure64 Productivity38 Manufacturing and Robotics30

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