Y Combinator Winter 2018 (W18) Companies
142 companies from the Y Combinator Winter 2018 batch, with their investors and founders.
A platform that matches software developers with teams whose work culture and principles align with their own preferences.
1 investor
Lambda Tea manufactures automated dispensing machines that allow customers to prepare bubble tea independently.
1 investor
Clio Draft is AI-powered legal drafting software that automates document creation for law firms, from client intake to final drafting, and provides access to up-to-date court forms. The product serves legal practitioners seeking to reduce time spent on routine document work.
1 investor
An online marketplace that connects participants to mass participation sports events and experiences.
3 investors
Look After My Bills automatically switches customers to lower-cost energy plans to help them reduce their utility expenses. The service targets households seeking to optimize their recurring energy bills without manual intervention.
2 investors
Lucy manufactures tobacco-free nicotine pouches in various flavors and strengths designed for consumer use. The products are marketed for enhancing focus, boosting energy, or relaxation.
3 investors
LUCK (Love Ur Curls Kids) develops curl care products specifically formulated for babies and children with curly hair, designed to simplify grooming routines and build confidence early. The line includes a 2-in-1 shampoo-conditioner, detangler leave-in conditioner, and baby head-to-toe wash, all dermatologist-tested and hypoallergenic.
1 investor
Macromoltek provides computational modeling and AI-driven antibody design services to biotech and pharmaceutical companies, accelerating the discovery and optimization of therapeutic antibodies. The platform reduces time-to-market and increases the probability of clinical success in drug development.
1 investor
Mayhem provides game tracking, real-time leaderboards, and community chat features for gaming events. (Note: Acquired by Niantic in 2020)
2 investors
Medumo provides automated text and email messaging systems that guide patients through medical procedures and referrals for hospitals and surgical centers.
5 investors
Meitre provides reservation booking, guest management, and revenue optimization software for high-end restaurants globally.
3 investors
Memora Health develops a conversational AI assistant for healthcare that handles routine patient messages and triages complex clinical concerns to care teams. The platform aims to reduce burden on clinicians while improving patient outcomes and satisfaction.
4 investors
Meson Finance is a cross-chain protocol that enables cryptocurrency transfers across 60+ blockchains and facilitates conversions between crypto, fiat, and real-world assets.
3 investors
Mighty Buildings manufactures prefabricated homes using 3D printing technology and robotics, with a goal of reducing construction emissions and waste. The company serves the residential housing market by automating 80% of production through proprietary printing materials that can be cut and trimmed by robotic systems.
10 investors
Mind Emulation Foundation funds and conducts scientific research focused on advancing the technical feasibility of emulating human minds digitally via connectome mapping and digital reconstruction. The organization works toward making mind emulation technology accessible to the general public.
1 investor
Miru provides an augmented reality application that allows customers to visualize furniture items from any retailer in their own living spaces using computer vision technology.
1 investor
Modern Health provides mental health support solutions for employers with over 100 employees.
6 investors
Mojo is a mobile app that provides animated templates and editing tools for creating social media content. It serves content creators and small businesses looking to produce professional-quality videos and graphics.
2 investors
Naborly helps landlords and property managers screen rental applicants, identify suitable tenants, and guarantee monthly rental payments through tenant vetting and payment protection services.
3 investors
Necto provides fast internet service from a local neighborhood provider, offering residential broadband connectivity with an emphasis on quick installation and reliable service.
1 investor
Nectome provides cryogenic preservation of the human body and brain shortly after legal death, aiming to preserve neural structure in sufficient detail that future revival may become theoretically possible. The service targets individuals at end-of-life seeking experimental preservation as a potential pathway to future recovery.
2 investors
NewCraft provides a unified API that allows developers to integrate with major HR and payroll platforms like Workday, ADP, and Paylocity without building separate connectors for each system. The company handles data standardization across these systems and offers testing tools, documentation, and security features for integration.
1 investor
Newfront is an insurance broker that combines specialty insurance expertise with technology platforms to help clients manage risk and make informed insurance decisions. The company serves organizations across 100+ countries through a modern, data-driven brokerage model.
12 investors
NGT Academy provides hands-on IT training and certification programs designed for working adults seeking to transition into tech careers without traditional four-year degrees. The academy combines practical lab-based training, industry certifications, and career mentorship to prepare students for entry-level IT and cloud engineering roles.
2 investors