YC S12

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

Every startup playbook in our database, ready to build

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.

Clever
Education
The platform that powers technology in the classroom.

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

GoScale
SaaS
Dynamical Scaling Virtual Machines as a Service

Natero
SaaS
Data-driven customer success platform for B2B SaaS.