YCW18· OtherSubstack
A place for independent writing.
ActiveChecked 24h ago
Founders
Not read from YC yet; the weekly run fills these in.
Same space
Competitors
Closest in what they build, same category.
Adjacent
Overlapping tags, a different niche.
AdThrowS09Inactive
- PetaSalesW09Inactive
OpenbenchmarksF24We help humans & agents pick tools via Independent BenchmarksShared: independentActive
Finni HealthW23Empowering Autism Care Providers to Go IndependentShared: independentActive
Structured LabsS23The publishing layer for the agentic internetShared: writing, publishingInactive
Also from W18
Batchmates in Winter 2018.
AcelyW18Every student's AI coach for college readinessActive
AlgoSurg IncW18We make AI technology for Robotic and AR SurgeriesActive
AssemblyW18Create remarkable client experiencesActive
Biobot AnalyticsW18Population health analytics powered by wastewater.Active
ClearBrainW18Causal Analytics for Growth TeamsAcquired
CodeStreamW18CodeStream is a Developer Collaboration Platform designed to…Acquired
About Substack
Start a newsletter. Build your community. Make money from subscriptions. Publishing is free, with no limits. We only make money when you do.
San Francisco, CA, USA
Substack: questions
Which YC batch was Substack in?
Substack was in Y Combinator's Winter 2018 batch (W18).
Is Substack still active?
Y Combinator lists Substack as active.
Where is Substack based?
Substack lists San Francisco, CA, USA as its location on YC's directory.
Not affiliated with Y Combinator. From YC's public directory. Logos via logo.dev; trademarks belong to their owners.