YC S12

8 dead or acquired startups from batch S12 with completed research reports.

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Each deep-dive includes a post-mortem, step-by-step rebuild plan, and a technical spec you can paste straight into Claude Code, Cursor, or Lovable.

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Clever

The platform that powers technology in the classroom.

S12

Acquired

Fullstack Academy

Education

Pioneer in immersive code education. Acquired by Zovio (NASDAQ: ZVO)…

S12

Inactive

GS

GoScale

SaaS

Dynamical Scaling Virtual Machines as a Service

S12

Acquired

MA

Mattermark

Investing

Big Data Meets Startup Investing The best tool for tracking and…

S12

Acquired

NA

Natero

SaaS

Data-driven customer success platform for B2B SaaS.

S12

Acquired

SE

Study Edge

eLearning

Acquired by Carlyle. Edtech and other technology

S12

Inactive

Tastemaker

Design Tools

Interior design marketplace and online retailer

S12

Inactive

Thread

E-commerce

Thread makes it incredibly easy to dress well, using stylists and AI

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