YC S19

7 dead or acquired startups from batch S19 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.

S19 Acquired

Compound
Fintech
Compound is a wealth manager for people who work at tech companies.

S19 Inactive

Elpha
Community
Professional network for women

S19 Inactive

Fit to Form
E-Commerce
Fit to Form is a site where women shop for dresses based on their…

S19 Acquired

MyPetrolPump
Logistics
On demand fuel delivery service in India

S19 Acquired

Palifer
Artificial Intelligence
Predictive maintenance models for trains and heavy industry

S19 Inactive

Souffle Club
Social Network
Souffle Club: 10x better LinkedIn alternative with profiles >> resumes

S19 Acquired

TaxProper
Fintech
TaxProper helps large Real Estate owners manage their property taxes.