Acely
Hiring
What they do:
Every student's AI coach for college readiness
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HQ: San Francisco, CA, United States
Y Combinator Winter 2018 Startups
This list has 146 startups and was last updated on Oct 15, 2026. 24 of them are hiring right now. Biggest hubs: San Francisco (70), New York (13), and Boston (6). Largest teams: Groww, Super, and Newfront.
146 startupsPage 2 of 5
Swayable
Hiring
What they do:
Swayable predicts consumer opinion and the impact of content
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HQ: New York, NY, United States
Assembly
Hiring
What they do:
Create remarkable client experiences
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HQ: New York, NY, United States
What they do:
Personalized Performance Nutrition
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HQ: New York, NY, United States
Tilt (f.k.a. Delphia)
Hiring
What they do:
GitHub for Investment Methodology
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ArchForm
Hiring
What they do:
Replacing orthodontic braces with our clear aligner and software
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HQ: San Francisco, CA, United States
What they do:
Delivering RNA therapies.
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HQ: London, United Kingdom
What they do:
We can provide you with the skills, experience and knowledge you need to skyrocket through the ranks of the IT industry faster than anyone even if you have…
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HQ: San Francisco, CA, United States
What they do:
Design and build any kind of website. On your iPhone or iPad.
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HQ: New York, NY, United States
What they do:
Rest is an AI sleep coach that helps you fix your sleep for good,…
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HQ: San Francisco, CA, United States
What they do:
Psychotherapy through autonomous and personalized VR-sessions.
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HQ: Maastricht, Netherlands
What they do:
ZBiotics makes genetically engineered probiotics.
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HQ: San Francisco, CA, United States
What they do:
Hair care products for curly hair.
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Sourcify
Hiring
What they do:
Sourcify helps brands manufacture products in Asia.
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HQ: Salt Lake City, UT, United States
What they do:
Tax filing automation for individuals in Latam.
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HQ: Antioquia, Colombia
What they do:
Translating for Humanity
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HQ: San Francisco, CA, United States
Players' Lounge
Hiring
What they do:
Win money betting on yourself playing AAA video games
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HQ: New York, NY, United States
What they do:
Great tasting produce, farmed around the corner
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HQ: Washington, DC, United States
What they do:
24/7 pediatric clinic in every family's living room
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HQ: San Francisco, CA, United States
What they do:
Computational antibody design
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HQ: Austin, TX, United States
What they do:
FidoCure® is the leader in Precision Medicine for Canine Oncology.
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HQ: San Francisco, CA, United States
Orangewood Labs
Hiring
What they do:
Orangewood builds amazing robots that people want
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HQ: San Francisco, CA, United States
What they do:
Population health analytics powered by wastewater.
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HQ: Boston, MA, United States
What they do:
Flat-fee patent & trademark counsel with top firm results
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HQ: San Francisco, CA, United States
What they do:
Unified, enterprise messaging platform for leading brands of the world
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HQ: Las Vegas, NV, United States
What they do:
Build mobile apps visually. Source-code included.
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HQ: Carmel, IN, United States
What they do:
Human whole body end-of-life preservation for later revival.
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HQ: Portland, OR, United States
What they do:
Opentable for the world's top restaurants; we help them increase…
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HQ: San Francisco, CA, United States
What they do:
Skin patches for generic drug delivery.
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What they do:
We make AI technology for Robotic and AR Surgeries
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HQ: India
What they do:
Lucy’s mission is to reduce tobacco-related harm to zero. We provide…
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HQ: Los Angeles, CA, United States
What they do:
AI to curate your baby photos
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HQ: San Francisco, CA, United States
What they do:
Vena Medical is providing physicians with the world's smallest camera…
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What they do:
We are using the gut microbiome to end cancer.
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HQ: San Diego, CA, United States
What they do:
Responsive materials, better lives.
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HQ: Los Angeles, CA, United States
What they do:
tEQuitable's mission is to create work culture that works for everyone
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HQ: San Francisco, CA, United States