Y Combinator Summer 2018 (S18) Companies
130 companies from the Y Combinator Summer 2018 batch, with their investors and founders.
64x develops infrastructure and manufacturing systems for next-generation medicines, focusing on genetic engineering, cell line development, and computational biology to enable scalability of advanced therapies.
5 investors
Activeloop provides a data infrastructure platform that indexes, searches, and organizes multimodal data (documents, images, videos) for AI applications through its Deep Lake database and search capabilities. The platform serves enterprises and organizations building AI systems that require efficient access to large-scale unstructured data.
7 investors
Aesthetic uses AI to generate images based on a user's personal visual style, producing results in seconds.
1 investor
Ajaib is an investment application that enables users to buy stocks, mutual funds, bonds, cryptocurrencies, US stocks, and other global assets online. The platform serves individual retail investors in Indonesia and is regulated by the Financial Services Authority (OJK) and Indonesia Stock Exchange (BEI).
2 investors
Allotrope Medical makes electrical stimulation devices that integrate with surgical instruments to help surgeons visualize and assess urinary and digestive system structures during procedures. The technology targets surgeons performing abdominal and pelvic operations.
3 investors
Alpha Vantage provides realtime and historical financial market data APIs covering stocks, ETFs, forex, commodities, and economic indicators for investors, researchers, and developers.
2 investors
Anima builds a design intelligence platform that converts visual designs into working code, powering visual-to-code workflows for software developers and AI agents. The platform serves developers, design teams, and AI-powered coding platforms, enabling translation from design intent to production software.
4 investors
A nonprofit organization that provides coding and programming training to survivors of human trafficking and gender-based violence, preparing them for careers in technology.
1 investor
Apprentice Health uses location tracking sensors and analytics software to monitor movement patterns within hospitals, identify workflow bottlenecks for clinical staff, and provide actionable optimization recommendations to hospital administrators.
2 investors
Soundkins develops a literacy learning platform for young children based on the Science of Reading, combining structured instruction with practice exercises and gamified elements to improve early reading proficiency.
1 investor
Avo operates a marketplace within residential and office buildings that delivers groceries, cleaning services, and other goods to tenants, with building operators handling customer acquisition.
2 investors
Berbix provides identity verification and fraud detection technology that online platforms integrate via SDKs to confirm users' identities and prevent fraudulent accounts.
3 investors
BHRD provides communication tools that help publicly traded companies manage and deliver investor relations messaging.
1 investor
A logistics solution provider serving small to large drayage providers, freight forwarders, and BCOs to reduce costs in import operations.
7 investors
Bot MD builds AI agents that help hospitals automate patient engagement workflowsβincluding inquiries, booking, education, and monitoringβacross messaging channels. The platform enables healthcare teams to scale quality care across Asia-Pacific without replacing human clinicians.
4 investors
BrainHi builds AI-powered patient communication and healthcare access solutions for underserved populations, particularly in Puerto Rico and beyond. The platform automates patient interactions and provides continuous availability for calls and messages to close gaps in healthcare access.
2 investors
C16 Biosciences produces high-value lipid ingredients using fermentation of naturally occurring microorganisms for manufacturers of beauty, personal care, home care, and food products. The company's biomanufacturing platform enables sustainable production with 250x greater land efficiency than traditional ingredient sources.
7 investors
Cali is an e-commerce platform serving customers in a Spanish-speaking market, offering delivery services with promotional incentives.
5 investors
Canary Technologies provides digital management software for hotels, replacing traditional paper-based administrative and operational workflows used across the hospitality industry.
7 investors
CB Therapeutics builds a yeast platform for biosynthesis of molecules including psychedelics, cannabis, and alkaloids that are difficult to source through conventional methods. The company serves pharmaceutical and specialty chemical manufacturers.
4 investors
Circumvent develops precision medicines for neurodegenerative diseases, with current focus on Batten Disease and other rare neurological disorders. The company's research targets synaptic dysfunction and lysosomal pathways through investigation of the palmitoylome.
1 investor
Clear Gene develops RNA diagnostics for detecting residual solid tumors in cancer patients and provides software and reagent kits to help clinical laboratories process COVID-19 samples more efficiently using existing equipment.
2 investors
College Pulse operates a platform for collecting and sharing student opinion data across college campuses. The service provides students and administrators access to aggregated community perspectives on topics relevant to campus life, replacing reliance on social media for understanding campus sentiment.
4 investors
Mismatch is a design collaboration tool that enables real-time teamwork with features like cursor observation, commenting, and asset management. It serves design teams and offers both web and desktop applications.
1 investor






















