S13
Acquired
Arcus
Fintech
Payment-as-a-service that helps any business launch payment solutions
YC S13
14 dead or acquired startups from batch S13 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.
S13
Acquired
BloomThat
Delivery
Uber for Flowers.
S13
Inactive
BU
Buttercoin
Marketplace
Bitcoin Marketplace
S13
Acquired
CA
Casetext
Artificial Intelligence
We make the world's laws free and understandable.
S13
Acquired
CoreOS
Open Source
Open source tools of modern distributed systems.
S13
Acquired
DA
Datarank
Analytics
Making sense of social data. (Acquired by SimplyMeasured.)
S13
Inactive
FH
FanHero
S13
Inactive
Le Tote
Fashion
Subscription service for women's apparel & accessories.
S13
Inactive
ME
Meta
Augmented Reality
Augmented reality glasses.
S13
Inactive
One Month
Education
One Month's affordable online bootcamps teach people how to code in…
S13
Acquired
RC
RealCrowd
Marketplace
Direct real estate investing marketplace
S13
Acquired
SimpleLegal
SaaS
Legal Operations for corporate legal teams.
S13
Acquired
SR
SpoonRocket
Delivery
Meals Delivered in 10 Minutes
S13
Acquired
Standard Treasury
Fintech
Banking APIs; acquired by Silicon Valley Bank in August 2015