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

39 companies

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Company	Batch	Description	Status	Location	Team	Founders	Reveal
Flock Safety	S17	The first public safety operating system that eliminates crime.	Active	Atlanta, GA, USA	1000	Garrett Langley, Matt Feury	Reveal
Bird	S16	The world’s largest omnichannel communications platform	Active	Amsterdam, Netherlands	500	Robert Vis, Bob Violier, Joey van Ommen	Reveal
Font Awesome	S15	Icons and social logos for your website.	Active	Bentonville, AR, USA	17	Dave Gandy, Travis Chase	Reveal
Zeplin	S15	Deliver on the Promise of Design	Active	San Francisco, CA, USA	140	Pelin Kenez, Ismail Ceylan, Merih Akar, Berk Çebi	Reveal
Cognito	S14	Frictionless, modern identity verification that starts with just a…	Acquired	Palo Alto, CA, USA	12	Alain Meier, John Backus, Christopher Morton	Reveal
Cognito	S14	Frictionless, modern identity verification that starts with just a…	Acquired	Palo Alto, CA, USA	12	Alain Meier, John Backus, Christopher Morton	Reveal
Naytev	S14	Naytev automates paid and organic social media management in one place	Inactive	San Francisco, CA, USA	3	Zack Liscio, Patrick Costello, Mike Seid	Reveal
StatusPage	S13	The best way to communicate with users around downtime.	Acquired	San Francisco, CA, USA	—	Steve Klein, Scott Klein, Danny Olinsky	Reveal
URX	S13	Mobile ads that users like. Acquired by Pinterest in May 2016.	Acquired	San Francisco, CA, USA	11	Nate Smith	Reveal
Scoutzie	S12	Scoutzie is a curated community for the best mobile designers. If…	Inactive	Palo Alto, CA, USA	2	Jaigouk Kim, Kirill Zubovsky	Reveal
Parse	S11	Parse is the easiest way to build apps.	Acquired	Menlo Park, CA, USA	11	Kevin Lacker	Reveal
Disqus	S07	Add comments to your website.	Acquired	San Francisco, CA, USA	11	Daniel Ha, Jason Yan	Reveal
AtlasGrid	F25	Accelerate Product Iteration	Active	Mountain View, CA, USA	6	Aram Aghababyan, Anton Krutiansky	Reveal
Caddy	F25	The voice interface that works proactively for you	Active	—	3	Connor Waslo, Rajiv Sancheti	Reveal
Compyle	F25	The coding agent that actually collaborates with you	Active	San Francisco, CA, USA	2	Jonathan Miranda, Mark Nazzaro	Reveal
Fastshot	F25	Lovable for mobile apps	Active	—	3	Dmitry Fatkhi, Elvira Dzhuraeva	Reveal
hillclimb	F25	The world's first human superintelligence community	Active	San Francisco, CA, USA	3	Jun Park, Ibrakhim Ustelbay	Reveal
Inspector	F25	AI IDE for front-end development	Active	San Francisco, CA, USA	2	Quentin Romero Lauro, Michael Klikushin	Reveal
JSX Tool	F25	AI-First In-Browser IDE for React Development	Active	—	2	Dan Hyman	Reveal
Lemma	F25	Continuous learning for AI agents	Active	San Francisco, CA, USA	2	Jerry Zhang, Cole Gawin	Reveal
Locus	F25	Payment infrastructure for AI agents	Active	—	2	Cole Dermott, Eliot Lee	Reveal
MOVEdot	F25	AI Agents for Hardware Engineering	Active	San Francisco, CA, USA	10	Girish Radhakrishnan, Bruno Finco	Reveal
OpenBuilder	F25	The vibe coding platform where builders actually finish.	Active	San Francisco, CA, USA	3	Paul Li, James Jiang	Reveal
Semble AI	F25	Autonomous building-system design for construction companies.	Active	San Francisco, CA, USA	2	Jonathan Tyshler, Ethan Boyers	Reveal
Semiotic	F25	Studio-Grade Design at Scale	Active	San Francisco, CA, USA	3	Michael Roberson, Bryan Grisales, Brandon Yao	Reveal
Sourcebot	F25	Helping humans and AI agents understand massive codebases	Active	San Francisco, CA, USA	2	Michael Sukkarieh, Brendan Kellam	Reveal
The Context Company	F25	Monitor AI agents and understand user behavior	Active	San Francisco, CA, USA	2	Arman Kumaraswamy, Rohil Agarwal	Reveal
Capy	F24	AI Software Engineer	Active	San Francisco, CA, USA	4	Nalin Semwal, Justin Sun	Reveal
Cekura	F24	Voice AI and Chat AI agents: Testing and Observability	Active	San Francisco, CA, USA	15	Tarush Agarwal, Shashij Gupta, Sidhant Kabra	Reveal
Clarus	F24	LP clarity across private markets	Active	New York, NY, USA	2	Oliver Wendell-Braly	Reveal
Codebuff	F24	The CLI tool that writes code for you	Active	—	2	James Grugett, Brandon Chen	Reveal
HumanLayer	F24	Getting AI Coding Agents to solve hard problems in complex codebases	Active	San Francisco, CA, USA	3	Dexter Horthy	Reveal
Lingo.dev	F24	Open-source, AI-powered i18n toolkit for instant localization.	Active	San Francisco, CA, USA	6	Max Prilutskiy, Veronica Prilutskaya	Reveal
Relvy AI	F24	AI powered debugging notebooks for incident response	Active	—	3	Bharath Bhat, Simranjit Singh	Reveal
Riveter AI	F24	Lovable for web scraping	Active	San Francisco, CA, USA	2	Abigail Grills	Reveal
supercontrast	F24	AI Co-Pilot for Design	Inactive	San Francisco, CA, USA	2	Carter McClellan, Shravan Kumaran	Reveal
Surge	F24	Stripe for telephony	Active	Lehi, UT, USA	3	Dennis Beatty, Brett Beatty	Reveal
Variant	F24	Creative intelligence	Active	San Francisco, CA, USA	5	Benjamin South Lee, Daniel Bulhosa Solorzano	Reveal
vly.ai	F24	The Lovable & Replit killers	Active	San Francisco, CA, USA	3	Victor Cheng	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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