Second
Shut down
What they do:
AI-Native Enterprise Codebase Maintenance
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Y Combinator Winter 2023 Startups
This list has 274 startups and was last updated on Oct 15, 2026. 78 of them are hiring right now. Biggest hubs: San Francisco (112), New York (50), and Bengaluru (7). Largest teams: Alaan, Tennr, and Numeral. Latest round: Clueso raised $10M (Oct 13, 2026).
274 startupsPage 8 of 8
Mogara
Shut down
What they do:
Automatic software R&D capitalization
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HQ: San Francisco, CA, United States
Blyss
Shut down
What they do:
End-to-end encrypted AI.
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HQ: San Francisco, CA, United States
rift
Shut down
What they do:
B2B lead routing made simple
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HQ: San Francisco, CA, United States
Indexical
Shut down
What they do:
AI-powered data extraction engine
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HQ: San Francisco, CA, United States
Parabolic
Shut down
What they do:
AI assistant for customer support
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HQ: San Francisco, CA, United States
Rubber Ducky Labs
Shut down
What they do:
AI Powered Product Discovery
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HQ: San Francisco, CA, United States
Cakework
Shut down
What they do:
API that adds cloud hosting to any developer platform
Quick facts:
HQ: Seattle, WA, United States
Gluetrail
Shut down
What they do:
Create step by step articles with screenshots and videos 10x faster
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Overflux
Shut down
What they do:
Streamline EV charger installations for real estate developers
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HQ: Los Angeles, CA, United States
Choppy!
Shut down
What they do:
FAST FLAVORFUL PROTEIN
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HQ: Los Angeles, CA, United States
Magicflow 𐂂
Shut down
What they do:
The Gen AI evaluation and curation platform
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Rainmaker
Shut down
What they do:
DeFi for Everyone
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Defer
Shut down
What they do:
Zero infrastructure background processing platform.
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Sorted
Shut down
What they do:
Instant SaaS management
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HQ: Copenhagen, Denmark
CodeParrot AI
Shut down
What they do:
Helps Developers build stunning UI Lightning Fast ⚡️
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Interlock
Shut down
What they do:
We are still in stealth mode.
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HQ: San Francisco, CA, United States
Fabius
Shut down
What they do:
AI to improve Sales Calls
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HQ: San Francisco, CA, United States
Serial
Shut down
What they do:
Root cause manufacturing issues in seconds
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HQ: San Francisco, CA, United States
moonrepo
Shut down
What they do:
Open source build tool for monorepos and large codebases
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HQ: Portland, OR, United States
SensorSurf
Shut down
What they do:
Resolve PR check failures instantly with AI
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HQ: San Francisco, CA, United States
Demospace
Shut down
Quick facts: