Y Combinator Summer 2023 (S23) Companies

CraftOS provides inventory management and point-of-sale software for small-batch wineries in the United States.

1 investor

Craftwork provides a digital platform for residential and commercial painting projects, offering same-day quotes, scheduling, and communication tools. The company serves homeowners seeking transparent pricing and quality home service.

3 investors

DataShare is a platform that allows developers to embed interactive charts, dashboards, and data export functionality into software products with minimal code. It serves companies like accounting startups that need to surface financial data visualizations and reports to their users.

1 investor

Deasy Labs automates the transformation of unstructured data into AI-ready structured data through a context engine that handles discovery, tagging, filtering, and enrichment. The platform serves engineers and data scientists building AI projects that require clean, continuously maintained data to prevent model drift in production.

2 investors

Decoda is a platform providing practice management and AI-powered clinical tools for wellness and medical aesthetic clinics, including scheduling, patient management, billing, and ambient charting capabilities.

1 investor

Dialtone provides AI agent software that helps enterprises automate operations and workflows. The platform is designed for business process optimization using agentic AI technology.

2 investors

Dili provides AI-powered compliance automation for contractors and project owners on federally funded construction, energy, and infrastructure projects. The platform automates prevailing wage tracking, apprenticeship monitoring, and certified payroll reviews to help manage regulatory requirements at scale.

2 investors

Diligent AI builds AI agents designed specifically for financial crime compliance, automating routine tasks like document verification and alert review for banks and fintechs to free compliance teams for investigative work.

1 investor

Dioxus is a Rust framework for building fullstack web, desktop, and mobile applications. It enables developers to write code once and deploy across multiple platforms with live hotreloading and server function capabilities.

1 investor

DisputeNinja is an AI platform that automates chargeback dispute handling for payment teams, using AI to collect evidence, draft narratives, and generate optimized responses to maximize recovery rates.

1 investor

Docsum is an AI-powered contract management platform that integrates with existing legal tools to provide in-house legal teams with automated contract review, intake, and post-signature tracking capabilities. The platform serves corporate legal departments seeking faster contract analysis and data extraction.

1 investor

Eden Care provides digital health insurance solutions designed to address frustrations with traditional underwriters, including faster pre-authorization, transparent claims processing, and prevention-focused coverage for individuals and employers across East Africa.

6 investors

Electric Air is a tech-enabled HVAC contractor that simplifies and reduces the cost of heat pump purchasing and installation for homeowners. The company sells and installs heat pumps, which convert homes to electric heating and cooling systems.

1 investor

Elyos provides AI agents designed for trades and field service businesses, automating customer service, scheduling, sales, and administrative tasks. The platform integrates with job booking systems to help service businesses grow through AI-powered operations.

4 investors

Elythea develops machine learning models that analyze patient data during early pregnancy visits to identify women at risk of severe obstetric complications such as preeclampsia, postpartum hemorrhage, and preterm labor, enabling physicians to intervene months before potential crises occur.

3 investors

Empirical is a heart health company that uses comprehensive lab testing, AI-powered risk modeling, and evidence-based interventions to prevent cardiovascular disease. It serves consumers seeking proactive heart disease prevention through personalized, affordable care enabled by value-based care models and machine learning.

3 investors

Energent.ai provides a generative AI-powered data analytics platform that enables users to analyze data through natural language prompts without requiring SQL or analytics expertise. The platform serves businesses and individuals who need to turn raw data into insights quickly, supporting CSV uploads, URL connections, and real-time data streams.

1 investor

Envelope is a financial application that combines budgeting software with checking account and debit card services, allowing users to organize spending through digital envelopes and manage money in a single platform. The product serves personal finance users of all experience levels seeking integrated budgeting and banking in one interface.

2 investors

Epsilla is an Agent-as-a-Service platform that enables enterprises to build and deploy AI agents without extensive engineering resources, featuring a no-code builder, RAG capabilities, and vertical AI agent solutions for specific industries including manufacturing, healthcare, legal services, and financial services.

1 investor

Every.io is a financial technology company that enables businesses to invest in U.S. Treasury Bills and money market funds, offering yields up to 4.3% APR with automated cash management and liquidity features. The platform serves companies seeking to optimize cash reserves through FDIC-insured and government-backed investment products.

5 investors

Feanix Autopilot is an AI-powered platform that combines whole-genome sequencing, farm performance data, and economics to provide herd-level breeding and culling recommendations for dairy farmers. The system integrates existing farm management tools and generates ranked, priced decisions to maximize farm profitability.

2 investors

Fiber AI provides API access to a database of 40M+ companies, 850M+ professionals, and 30M+ jobs, enabling services like email-to-person reverse lookup, contact enrichment, company and people search with advanced filters, and real-time LinkedIn data fetch. The platform serves sales teams, recruiters, and AI agents building prospecting and staffing workflows.

4 investors

FleetWorks operates an AI-powered marketplace that connects freight jobs with truck operators, replacing manual coordination methods with automated matching.

1 investor

Flex provides telehealth consultations with licensed clinicians to determine eligibility for HSA/FSA-qualified health products and services for customers with various medical conditions.

6 investors