Goodkind
Acquired
What they do:
Student communications platform for higher education
Quick facts:
Y Combinator Summer 2021 Startups
This list has 391 startups and was last updated on Oct 15, 2026. 86 of them are hiring right now. Biggest hubs: San Francisco (100), New York (36), and London (19). Largest teams: LemFi, ShipBlu, and Yummy. Latest round: Onebrief raised $151M (Oct 14, 2026).
391 startupsPage 9 of 11
Breadcrumbs.io
Acquired
What they do:
No-code scoring engine identifying your most engaged upsell opps
Quick facts:
HQ: San Francisco, CA, United States
Inflow
Acquired
What they do:
A self-help app for people to manage their ADHD.
Quick facts:
HQ: London, United Kingdom
Aer
Acquired
What they do:
Compound compliance: the central hub for meeting SEC obligations
Quick facts:
HQ: New York, NY, United States
Sproutfi
Acquired
What they do:
Latin Americas' first investing social network. Learn. Share. Invest.
Quick facts:
Beeper
Acquired
What they do:
One chat app to rule them all
Quick facts:
HQ: San Francisco, CA, United States
inai
Acquired
What they do:
Segment for global payments
Quick facts:
HQ: London, United Kingdom
Tablevibe
Acquired
What they do:
Direct Ordering Software for Restaurants
Quick facts:
HQ: Singapore
Tarsal
Acquired
What they do:
Data pipeline for your security data lake.
Quick facts:
HQ: New York, NY, United States
Arengu
Acquired
What they do:
Build frictionless signup flows in minutes
Quick facts:
HQ: A Coruña, Spain
FirstIgnite
Acquired
What they do:
AI-Powered Business Development for Scientific Organizations
Quick facts:
HQ: Remote
Fingo Africa
Acquired
What they do:
A neobank for Africa's 500 million youth
Quick facts:
Cloudthread
Acquired
What they do:
Eliminate Cloud Waste. Attribute and Track Savings. Engage Engineers.
Quick facts:
HQ: San Francisco, CA, United States
Mable
Acquired
What they do:
First personalized migraine clinic using genetics and telehealth.
Quick facts:
HQ: London, United Kingdom
Kapacity.io
Acquired
What they do:
Reducing energy costs & emissions in buildings.
Quick facts:
Hyper
Acquired
What they do:
Sell memberships to your Discord server
Quick facts:
HQ: San Francisco, CA, United States
Telivy
Acquired
What they do:
Automate your cyber security risk assessments
Quick facts:
HQ: San Francisco, CA, United States
GamerPay
Acquired
What they do:
We are the marketplace for trading gaming skins & assets without scams
Quick facts:
HQ: Copenhagen, Denmark
Positional
Acquired
What they do:
A modern platform for content marketing & SEO.
Quick facts:
HQ: Charleston, SC, United States
Sleek
Acquired
What they do:
Browser automation for businesses.
Quick facts:
Maroo
Acquired
What they do:
CRM for creatives (acquired by Helium Ventures)
Quick facts:
HQ: New York, NY, United States
Hilos
Acquired
What they do:
Close and activate your customers on WhatsApp
Quick facts:
HQ: Mexico City, Mexico
Keyri
Acquired
What they do:
Secure fraud prevention and authentication platform for developers
Quick facts:
HQ: San Francisco, CA, United States
Laudable
Acquired
What they do:
App for B2B companies to find customer stories and advocates
Quick facts:
HQ: San Francisco, CA, United States
Byte Kitchen
Acquired
What they do:
Increasing restaurant profitability through our AI Operating System
Quick facts:
HQ: San Francisco, CA, United States
Satsuma
Acquired
What they do:
Reliable blockchain indexing & querying for web3 engineering teams.
Quick facts:
HQ: San Francisco, CA, United States
Onfolk
Acquired
What they do:
Gusto for the UK
Quick facts:
HQ: London, United Kingdom
Nasdisc
Acquired
What they do:
A marketplace for vinyl, cassettes and cds
Quick facts:
HQ: San Francisco, CA, United States
Vogent
Acquired
What they do:
Build Voice AI Agents
Quick facts:
HQ: San Francisco, CA, United States
Warrant
Acquired
What they do:
Authorization and access control as a service.
Quick facts:
HQ: Los Angeles, CA, United States
Bytebot
Acquired
What they do:
Bytebot is the open source container for AI desktop agents.
Quick facts:
HQ: Boston, MA, United States
Pactima
Acquired
What they do:
Live video signing for real-time agreements
Quick facts:
Verano Health
Acquired
What they do:
Nonprofit telehealth coaches for underserved Americans on Medicaid
Quick facts:
HQ: San Francisco, CA, United States
Mentum
Acquired
What they do:
AI-Powered Assistant for Procurement and Strategic Sourcing
Quick facts:
HQ: San Francisco, CA, United States
Level
Acquired
What they do:
Fast and simple fintech financing
Quick facts:
HQ: San Francisco, CA, United States
MadEats
Acquired
What they do:
Online delivery-only restaurant group in the Philippines
Quick facts:
HQ: Makati, Philippines
YC S21Early stage