Y Combinator Summer 2023 companies
220 companies in the S23 batch. Read the one-liners rather than scanning the names — they are the most instructive part of the directory, because each one shows how a funded company chose to narrow its own description.
Showing the first 200 of 220. Search the full directory to filter further.
- CercliYC Summer 2023· Dubai, Dubai, United Arab Emirates· 28 people
AI powered HR and Recruitment for people teams
- Y/nYC Summer 2023· San Francisco, CA, USA· 5 people
Play your story
- HockeyStackYC Summer 2023· San Francisco, CA, USA· 65 people
The operating system for inbound B2B revenue
- HyLightYC Summer 2023· Paris, Île-de-France, France· 37 people
Unmanned airships for inspecting our critical assets
- ArtieYC Summer 2023· San Francisco, CA, USA· 16 people
Software that streams data from databases to warehouses in real-time
- PeerDBYC Summer 2023· Remote· 2 people
Fast, native ETL for Postgres 🐘 🚀
- TremorYC Summer 2023· Zug, ZG, Switzerland· 2 people
The UI toolkit for Dashboards
- kapa.aiYC Summer 2023· Remote· 22 people
The fastest way to build AI assistants on technical content
- Kino AIYC Summer 2023· San Francisco, CA, USA· 4 people
Kino is an AI media manager and video editor for humans and agents.
- LeafpressYC Summer 2023· Remote· 2 people
AI Energy Management
- ReworkdYC Summer 2023· San Francisco, CA, USA· 1 people
The simplest way to extract web data at scale
- NectarYC Summer 2023· San Francisco, CA, USA· 7 people
Manage energy cost & usage with AI for facility & sustainability teams
- Branch AIYC Summer 2023· Singapore, Singapore· 3 people
AI Overview Search, as a Service
- Ora AIYC Summer 2023· San Francisco, CA, USA· 3 people
The AI Platform for Medical Education
- TwentyYC Summer 2023· Paris, Île-de-France, France· 11 people
Open Source CRM
- XeolYC Summer 2023· New York City, NY, USA· 3 people
Close your outdated dependency attack vector
- MetoroYC Summer 2023· London, England, United Kingdom
AI SRE For Teams on Kubernetes
- Clearest HealthYC Summer 2023· New York City, NY, USA· 3 people
AI revenue recovery for underpaid healthcare claims.
- Elyos AIYC Summer 2023· London, England, United Kingdom· 20 people
AI Customer Service Agents for trades and field services
- AccendYC Summer 2023· Remote· 18 people
AI agents for commercial underwriting at banks and fintechs
- Deasy LabsYC Summer 2023· New York City, NY, USA· 8 people
Metadata for GenAI workflows
- HyperboundYC Summer 2023· San Francisco, CA, USA· 30 people
Revenue Activation Platform
- Dioxus LabsYC Summer 2023· San Francisco, CA, USA· 4 people
Web, Desktop, and Mobile apps with one codebase in Rust
- Watto AIYC Summer 2023· Remote· 3 people
AI-powered McKinsey-quality reports in seconds
- Linc.YC Summer 2023· San Francisco, CA, USA· 3 people
AI Copilot for Shippers, Carriers and Brokers
- AIVideo.comYC Summer 2023· San Francisco, CA, USA· 12 people
Superhuman video production as a service
- Stellar SleepYC Summer 2023· Boston, MA, USA· 5 people
We help people with chronic insomnia sleep better, using psychology.
- Ohmic BiosciencesYC Summer 2023· San Francisco, CA, USA· 2 people
Genetically engineering plants for disease resistance.
- Magic LoopsYC Summer 2023· San Francisco, CA, USA· 2 people
Program computers with natural language
- SweetspotYC Summer 2023· New York City, NY, USA· 10 people
AI for Government Contracting.
- RemyYC Summer 2023· San Francisco, CA, USA· 4 people
Making it simpler for medical clinics to work with insurance
- Sohar HealthYC Summer 2023· New York City, NY, USA· 8 people
AI-powered insurance verification to boost patient conversion.
- Bland AIYC Summer 2023· San Francisco, CA, USA· 65 people
The enterprise platform for AI phone calls
- DiligentYC Summer 2023· London, England, United Kingdom· 10 people
AI agents for fintech risk and compliance operations
- PointhoundYC Summer 2023· Remote· 5 people
Earn and redeem credit card points for free flights
- PropRiseYC Summer 2023· San Francisco, CA, USA· 3 people
The AI platform for CRE investment teams
- ReadilyYC Summer 2023· San Francisco, CA, USA· 20 people
AI Compliance Platform for Healthcare Organizations
- Zelos CloudYC Summer 2023· San Francisco, CA, USA· 3 people
The Data Platform for Mission‑Critical Systems
- CascaYC Summer 2023· San Francisco, CA, USA· 40 people
Make Banking Magical
- CedanaYC Summer 2023· New York City, NY, USA· 5 people
Fast, reliable, reproducible AI with GPU live migration
- LifelikeYC Summer 2023· San Francisco, CA, USA· 2 people
- OpenToolsYC Summer 2023· New York City, NY, USA· 3 people
The API for LLM tool use
- AtlaYC Summer 2023· London, England, United Kingdom· 10 people
The improvement engine for AI agents
- ContourYC Summer 2023· New York City, NY, USA· 2 people
AI voice agents for healthcare operational calls
- EveryYC Summer 2023· San Francisco, CA, USA· 12 people
Banking + Payroll/Benefits + Bookkeeping + Tax in one place
- Mandel AIYC Summer 2023· Sofia City Province, Bulgaria· 2 people
AI Supply Chain Coordinator
- ProsperYC Summer 2023· New York City, NY, USA· 9 people
AI Phone Agents for Healthcare Operations
- Electric AirYC Summer 2023· San Francisco, CA, USA· 18 people
Tech-enabled heat pump contractor that cuts costs by 60%
- CraftworkYC Summer 2023· Charlotte, NC, USA· 50 people
Digital-native home painting franchise
- Lio (formerly askLio)YC Summer 2023· BY, Germany· 80 people
The World's First Multi-Agent System for Procurement
- Solve IntelligenceYC Summer 2023· London, England, United Kingdom· 50 people
AI patent drafting, prosecution, litigation and more for legal teams.
- TalcYC Summer 2023· Seattle, WA, USA· 3 people
Event extraction for Medical Researchers
- AirgoodsYC Summer 2023· New York City, NY, USA· 10 people
Wholesale marketplace for food & beverage
- DataShareYC Summer 2023· Austin, TX, USA· 1 people
Embed charts, dashboards and exports in your app
- RevampYC Summer 2023· San Francisco, CA, USA· 3 people
AI-Powered Customer Segmentation for eCommerce
- SynchYC Summer 2023· New York City, NY, USA· 4 people
Supercharging Sales
- COREYC Summer 2023· Bengaluru, KA, India· 3 people
Your AI butler that understands you really well and proactively acts…
- SubsetsYC Summer 2023· Copenhagen, Denmark· 7 people
AI-driven Retention Automation for subscription media businesses.
- GreenTallyYC Summer 2023· San Francisco, CA, USA· 2 people
Affordable carbon tracking solution for all businesses
- Spine AIYC Summer 2023· San Francisco, CA, USA· 7 people
Manage a swarm of AI agents to get real work done
- Capi MoneyYC Summer 2023· London, England, United Kingdom· 40 people
Helping businesses in emerging markets make pay their international…
- SIDYC Summer 2023· San Francisco, CA, USA· 7 people
AI research lab for retrieval
- AlgunaYC Summer 2023· London, England, United Kingdom· 10 people
AI-Native CPQ & Billing for Modern Pricing Models
- CampfireYC Summer 2023· San Francisco, CA, USA· 105 people
The AI Native ERP for the fastest growing companies.
- PareaYC Summer 2023· New York City, NY, USA· 2 people
Test, evaluate & observe your LLM applications
- Venta AIYC Summer 2023· Remote· 7 people
The compliant AI colleague for sales teams in Europe
- PunchcardYC Summer 2023· Provo, UT, USA· 6 people
Agentive assurance system for auditors, risk consultants, and clients.
- Bronco AIYC Summer 2023· San Francisco, CA, USA· 5 people
AI for ASIC Design Verification
- KiteYC Summer 2023· San Francisco, CA, USA· 2 people
Screen recorder for stunning product demo videos
- Obento HealthYC Summer 2023· San Francisco, CA, USA· 2 people
CRM Co-Pilot for Medtech Sales
- DocsumYC Summer 2023· New York City, NY, USA· 4 people
AI contract repository
- ArcimusYC Summer 2023· New York City, NY, USA· 2 people
A stream of engineering candidates who ship.
- CraftOSYC Summer 2023· San Francisco, CA, USA· 3 people
Inventory Management and POS for the Wine industry
- MICSIYC Summer 2023· New York City, NY, USA· 2 people
Higher resolution MRI with faster scan times.
- TerminalYC Summer 2023· Toronto, ON, Canada· 17 people
Plaid for Telematics Data in Commercial Trucking
- CorgeaYC Summer 2023· San Francisco, CA, USA· 6 people
Corgea finds, and fixes insecure code and packages autonomously.
- SerraYC Summer 2023· San Francisco, CA, USA· 8 people
Your 24/7 AI Recruiter
- OutsetYC Summer 2023· San Francisco, CA, USA· 30 people
AI-powered user interviews
- Hegel AIYC Summer 2023· New York City, NY, USA· 2 people
Open source tools for developing generative AI applications
- Shasta HealthYC Summer 2023· San Francisco, CA, USA· 2 people
AI calling & browser agents for healthcare
- BrieferYC Summer 2023· São Paulo, SP, Brazil· 2 people
The collaborative data platform.
- Health HarborYC Summer 2023· San Francisco, CA, USA· 4 people
Using generative AI to call insurance for healthcare clinics
- FleetWorksYC Summer 2023· San Francisco, CA, USA· 20 people
AI enabled marketplace matching trucks with jobs
- Chow Central IncYC Summer 2023· Lagos, LA, Nigeria
Asset Light Chipotle for Africa
- RepaintYC Summer 2023· San Francisco, CA, USA· 2 people
Build a website by chatting with AI
- MarginYC Summer 2023· New York City, NY, USA· 10 people
POS & operating system that makes liquor stores more money
- DialtoneYC Summer 2023· San Francisco, CA, USA· 2 people
AI Agents for Enterprises
- HiroYC Summer 2023· New York City, NY, USA· 2 people
Agents that handle security work
- Cardinal GrayYC Summer 2023· New York City, NY, USA· 6 people
Automating lenders' interactions with the DMV
- SkyvernYC Summer 2023· San Francisco, CA, USA· 10 people
Open Source AI Agent to automate browser workflows via an API
- Decoda HealthYC Summer 2023· Toronto, ON, Canada· 15 people
The all-in-one EMR built for med spas and elective care
- NumenYC Summer 2023· San Francisco, CA, USA· 18 people
Engineering a future without cancer deaths.
- VetRecYC Summer 2023· Seattle, WA, USA· 45 people
AI Scribe for veterinarians. Saving time and improving patient care.
- LystoYC Summer 2023· New York City, NY, USA· 2 people
Revenue intelligence platforms for startups
- MaintouchYC Summer 2023· New York City, NY, USA· 15 people
Make more $$$ with SEO and AEO
- EpsillaYC Summer 2023· San Francisco, CA, USA· 3 people
All-in-one platform to create AI agents with your private knowledge
- SidenoteYC Summer 2023· San Francisco, CA, USA· 3 people
Meeting follow-up, automated
- refineYC Summer 2023· San Francisco, CA, USA· 10 people
Open-source Retool for enterprise
- CandorIQYC Summer 2023· San Francisco, CA, USA· 4 people
Headcount & Compensation Management
- UnhazeYC Summer 2023· Copenhagen, Denmark· 6 people
The right leads at the right time for B2B sales
- Surface LabsYC Summer 2023· San Francisco, CA, USA· 6 people
Building the AI-powered marketing ops platform that turns website…
- Maven BioYC Summer 2023· Boston, MA, USA· 10 people
The AI Platform for Life Sciences Intelligence
- UpstreamYC Summer 2023· Paris, Île-de-France, France· 7 people
The first inbox designed for humans and agents
- MetalwareYC Summer 2023· San Francisco, CA, USA· 4 people
Firmware cybersecurity
- MediSearchYC Summer 2023· London, England, United Kingdom· 6 people
Search engine for trustworthy medical information.
- Bretton AIYC Summer 2023· San Francisco, CA, USA· 34 people
AI-native operations for the banks
- MidrenderYC Summer 2023· San Francisco, CA, USA· 1 people
Turn product features into launch videos
- VizlyYC Summer 2023· San Francisco, CA, USA· 2 people
Data to insights in seconds
- AgentCollectYC Summer 2023· San Francisco, CA, USA· 42 people
B2B debt collection powered by AI agents
- AglideYC Summer 2023· London, England, United Kingdom· 6 people
Connect every disconnected app to your SSO.
- Fortuna HealthYC Summer 2023· New York City, NY, USA· 16 people
TurboTax for Medicaid
- Empirical HealthYC Summer 2023· New York City, NY, USA· 4 people
Don't die of heart disease. Empirical is the first AI-native heart…
- LifestyleRxYC Summer 2023· White Rock, BC, Canada· 9 people
Virtual Care for Type 2 Diabetes Reversal
- GladeYC Summer 2023· San Francisco, CA, USA· 3 people
Build games at the speed of thought
- CareOasisYC Summer 2023· Dover, DE, USA· 2 people
Get Paid for Family Caregiving
- GuacYC Summer 2023· New York City, NY, USA· 7 people
AI-powered forecasting & replenishment for grocery
- Letter AIYC Summer 2023· Chicago, IL, USA· 12 people
Empowering B2B sellers with AI-powered training, coaching, and content
- ContinueYC Summer 2023· San Francisco, CA, USA· 0 people
Pioneering open-source coding agent
- RimwardYC Summer 2023· Paris, Île-de-France, France· 1 people
Low-false-positive intrusion detection for remote outdoor sites
- sizelessYC Summer 2023· San Francisco, CA, USA· 3 people
Instant 3D Digital Twins for Smarter Real Estate.
- ApoxyYC Summer 2023· Remote· 2 people
Simpler and cheaper multi-cloud and cross-platform deployments.
- PincitesYC Summer 2023· San Francisco, CA, USA· 4 people
Close deals faster with AI for contract negotiation
- MantleBioYC Summer 2023· Remote· 7 people
Transform scientific data into discoveries
- TrainyYC Summer 2023· San Francisco, CA, USA· 3 people
Infrastructure for managing GPU clusters for training/serving.
- StuddyYC Summer 2023· San Francisco, CA, USA· 4 people
An AI math tutor for every student
- Kobalt LabsYC Summer 2023· New York City, NY, USA· 12 people
AI-powered risk and compliance for financial institutions
- GleamYC Summer 2023· San Francisco, CA, USA· 4 people
Automating Data Entry for Clinical Trials
- BoltoYC Summer 2023· San Francisco, CA, USA· 20 people
AI Powered All-In-One Payroll, HR + Recruiting
- VaultPayYC Summer 2023· Kinshasa, Kinshasa, Democratic Republic of the Congo· 2 people
Digital banking platform for the 30 million smartphone users in DRC.
- KhojYC Summer 2023· San Francisco, CA, USA· 2 people
AI for humans
- SlickerYC Summer 2023· London, England, United Kingdom· 2 people
Recover payment failures and maximize subscription Revenue
- Osium AIYC Summer 2023· Paris, Île-de-France, France· 2 people
Speed up materials innovation with Artificial Intelligence
- Energent AIYC Summer 2023· San Francisco, CA, USA· 10 people
AI that audits AI — catching hallucinations before you ship them.
- FlintYC Summer 2023· New York City, NY, USA· 18 people
Personalized learning built for schools
- ConvergeYC Summer 2023· New York City, NY, USA· 6 people
All-in-one marketing measurement for B2C
- InletYC Summer 2023· New York City, NY, USA· 2 people
AI timekeeping for legal professionals.
- RankaiYC Summer 2023· San Francisco, CA, USA· 3 people
RankAI grows your website on autopilot
- Vango AIYC Summer 2023· San Francisco, CA, USA· 2 people
Development platform that makes it 10x easier to improve visual models
- SolaYC Summer 2023· New York City, NY, USA· 5 people
Copilot for Robotic Process Automation
- Read BeanYC Summer 2023· New York City, NY, USA· 3 people
Learn language with real-world content, at your level
- AutomorphicYC Summer 2023· San Francisco, CA, USA· 3 people
Infuse knowledge into language models with just 10 samples
- BaserunYC Summer 2023· San Francisco, CA, USA· 2 people
Observability and evaluation platform for LLM apps.
- SafetyKitYC Summer 2023· San Francisco, CA, USA· 10 people
AI agents for risk, compliance, and safety
- VectorShiftYC Summer 2023· New York City, NY, USA· 30 people
AI Operating System for Private Market Investors
- EnvelopeYC Summer 2023· San Francisco, CA, USA· 2 people
Budgeting app with built-in banking
- DisputeNinjaYC Summer 2023· San Francisco, CA, USA· 2 people
Automate your chargebacks with AI agents
- ChatterYC Summer 2023· Philadelphia, PA, USA· 2 people
Dead simple LLM testing and iteration
- Proof of HumanYC Summer 2023· San Francisco, CA, USA· 4 people
continuous human verification without CAPTCHAs or user friction
- InariYC Summer 2023· San Francisco, CA, USA· 2 people
Your junior AI product manager
- Andromeda SurgicalYC Summer 2023· San Francisco, CA, USA· 12 people
Autonomous surgical robots
- SilimateYC Summer 2023· San Francisco, CA, USA· 8 people
Fast, efficient agents for chip design and debug
- SweepYC Summer 2023· San Francisco, CA, USA· 4 people
The best AI coding assistant for JetBrains
- sudocodeYC Summer 2023· San Francisco, CA, USA· 2 people
orchestrate your coding agents with sudocode
- SendblueYC Summer 2023· New York City, NY, USA· 50 people
iMessage for Sales
- FragmentYC Summer 2023· Remote· 2 people
Turn manual operations into scalable processes
- SyntheticFiYC Summer 2023· San Francisco, CA, USA· 25 people
Low cost securities-backed lending for financial advisors and HNWI
- Inventive AIYC Summer 2023· San Francisco, CA, USA· 15 people
AI Agents For RFP and Questionnaire Response Automation
- LangdockYC Summer 2023· Berlin, Berlin, Germany· 55 people
The all-in-one AI platform for companies.
- SantéYC Summer 2023· New York City, NY, USA· 10 people
All-in-one POS for liquor stores
- MovleyYC Summer 2023· New York City, NY, USA· 8 people
Your e-commerce brand's product quality control department.
- ElytheaYC Summer 2023· San Diego, CA, USA· 2 people
ML to predict and prevent pregnancy complications
- NanograbYC Summer 2023· London, England, United Kingdom· 5 people
Deliver genes to any cell with AI
- PureYC Summer 2023· Los Angeles, CA, USA· 13 people
Marketplace for Rare Coins & Precious Metals
- HappyRobotYC Summer 2023· San Francisco, CA, USA· 80 people
Intelligence that runs your operations.
- CedalioYC Summer 2023· San Francisco, CA, USA· 6 people
AI agents that automate AP, procurement, and finance
- Certainly HealthYC Summer 2023· New York City, NY, USA· 2 people
Marketplace to book doctors and avoid surprise bills
- Terracotta AIYC Summer 2023· Remote· 3 people
AI-powered Infrastructure as Code PR reviews
- Fiber AIYC Summer 2023· New York City, NY, USA· 8 people
The freshest data APIs for AI sales, recruiting, & growth products
- RecipeUIYC Summer 2023· San Francisco, CA, USA· 2 people
The open source Postman alternative.
- TiptapYC Summer 2023· Berlin, Berlin, Germany· 19 people
The open-source document editor for humans and AI agents.
- SmobiYC Summer 2023· New York City, NY, USA· 4 people
Send texts your customers actually want over RCS
- MindedYC Summer 2023· Tel Aviv-Yafo, Tel Aviv District, Israel· 2 people
Cursor for AI Agents
- StradaYC Summer 2023· San Francisco, CA, USA· 21 people
AI agents that run insurance operations
- Quill BillsYC Summer 2023· San Francisco, CA, USA· 3 people
AI-Powered Medical Billing
- Eden CareYC Summer 2023· Nairobi, Nairobi County, Kenya· 28 people
Claims infrastructure for African health insurance
- ParadeDBYC Summer 2023· San Francisco, CA, USA· 11 people
Unify application data, vectors, and full-text search in one Postgres
- Cair HealthYC Summer 2023· San Francisco, CA, USA· 6 people
AI Agents for Healthcare RCM
- Line.BuildYC Summer 2023· San Francisco, CA, USA· 3 people
Incentives and financing for energy efficiency upgrades
- TraydYC Summer 2023· New York City, NY, USA· 34 people
A construction payroll and compliance platform built for specialty…
- WebhoundYC Summer 2023· San Francisco, CA, USA· 2 people
Long-horizon research agents
- diliYC Summer 2023· New York City, NY, USA· 15 people
Automating Compliance for Construction
- RoameYC Summer 2023· San Francisco, CA, USA· 2 people
Flight search engine using credit card points and miles
- CheqUPIYC Summer 2023· Bengaluru, KA, India· 15 people
India's first UPI wallet for foreign nationals and NRIs
- CargoYC Summer 2023· San Francisco, CA, USA· 6 people
Build your GTM workforce
- Kips HealthYC Summer 2023· Los Angeles, CA, USA· 2 people
The only patient engagement software that pays you.
- InconvoYC Summer 2023· Limerick, County Limerick, Ireland· 2 people
Build chat-with-data agents for customer-facing applications
- ShadeformYC Summer 2023· Remote· 11 people
The GPU Cloud Marketplace
- FlowiseAIYC Summer 2023· Remote· 5 people
Open source GenAI development platform
- AffinityYC Summer 2023· New York City, NY, USA· 2 people
A compliance training platform built for regulated industries.
- SaatvyYC Summer 2023· San Francisco, CA, USA· 1 people
Root cause help for chronic conditions
- GigaYC Summer 2023· San Francisco, CA, USA· 30 people
AI Support Agent for Enterprises.
- AiSDRYC Summer 2023· San Francisco, CA, USA· 5 people
AI sales prospecting. Replace your SDR with AiSDR
- FoundationYC Summer 2023· Boulder, CO, USA· 4 people
Shopify for Homebuilders
- Simbie AIYC Summer 2023· New York City, NY, USA· 5 people
We get patients to their next appointment
- MochaYC Summer 2023· San Francisco, CA, USA· 7 people
Build and publish web apps in minutes. No coding required.
- TwineYC Summer 2023· San Francisco, CA, USA· 6 people
ai revenue engine for service businesses
- Structured LabsYC Summer 2023· San Francisco, CA, USA· 5 people
The publishing layer for the agentic internet
- NowadaysYC Summer 2023· San Francisco, CA, USA· 9 people
AI-native platform for corporate meetings and events
- MorphYC Summer 2023· San Francisco, CA, USA· 3 people
Fast Models Optimized for Coding Agents
- ConstructableYC Summer 2023· Santa Barbara, CA, USA· 6 people
Building the next Procore