YC W19

9 dead or acquired startups from batch W19 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.

Allo

Community

Allo is an app that helps neighboring families meet and help each other…

Allure Systems

Generative AI

A.I. to create stunning fashion images for eCommerce.
Link to Allure Systems

Basilica

Machine Learning

Basilica is an API that embeds high-dimensional data like images and…

Capture

Productivity

All your notes, tasks, and files in one super-fast workspace.

Mage

Marketplace

The safest way to buy and sell collectibles.
Link to Mage

Preflight

Developer Tools

No-code Web Apps testing for everyone.

Shiok Meats

Climate

Shiok Meats is a cell-based clean shrimp company, the first of its kind.

Spiral Genetics

Machine Learning

Large Scale Genomic Data Mining Software.

ZeroStorefront

Restaurant Tech

#1 Data platform for restaurants. Acquired by Thanx.