YC S11

10 dead or acquired startups from batch S11 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.

Category: Grocery
Description: Grocery deals.

Codecademy
Category: Education
Description: The leading online learning platform for technical skills.
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Category: DevOps
Description: We make it easy to run databases. PostgreSQL, Redis, MongoDB…
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Cryptoseal
Category: Cloud Workload Protection
Description: Server key management, VPN as a Service, Privacy VPN. Sold to…
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Category: Fintech
Description: Automate credit counseling.

Category: Transportation
Description: Public transit apps. Acquired by Apple in 2013.
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Category: Analytics
Description: Analytics with action

Description: Parse is the easiest way to build apps.
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Category: Marketplace
Description: The easiest way to find a tenant. Rentobo is a tool that makes it…

Category: Augmented Reality
Description: Layer above Kinect.