Y Combinator Summer 2017 (S17) Companies

Helium Health provides healthcare technology for clinicians, governments, and public health stakeholders across Africa, including an electronic medical records/operating system (HeliumOS) and a provider-patient platform (HeliumDoc). It also offers financing solutions such as HeliumCredit for capital access and HeliumWallet for billing, alongside public health data partnerships with health organizations and governments.

5 investors

HelpWear develops HeartWatch, a medical-grade ambulatory ECG monitor with a novel dry-electrode design for extended wear in cardiac arrhythmia detection and patient monitoring.

5 investors

Honeydue is a financial management software for couples and families that provides tools for tracking and managing shared finances. The platform aims to reduce financial stress by promoting trust and transparency between family members.

1 investor

Indivio provides software that helps marketing teams automatically generate customized video content for different audiences and contexts. The platform aims to increase the relevance and effectiveness of video marketing efforts.

1 investor

Jerry is an all-in-one car ownership app that helps drivers find auto insurance and refinancing rates, track vehicle maintenance, and access repair estimators. The platform serves individual car owners across America by consolidating multiple car-related services in one application.

2 investors

Just Appraised builds AI-powered software for local government agencies, helping tax assessors and county clerks modernize property tax processing, valuations, and administrative workflows. The company serves over 300 counties across 30 U.S. states.

2 investors

Leon & George is a direct-to-consumer retailer selling premium indoor plants sourced from California growers, paired with handcrafted wood stands, stoneware pots, and potting supplies. It offers ongoing "Plant Doctor" care support, delivery options, and a 45-day-to-12-month health guarantee for consumers.

1 investor

LTSE Private Markets is a platform operated by the Long-Term Stock Exchange that connects institutional and accredited investors to late-stage private companies through direct and secondary market transactions. It provides curated deal access, governance advisory, and market intelligence to mission-driven investors seeking companies aligned with long-term thinking and sustainable growth.

6 investors

LotusPay provides a platform for Indian businesses to collect recurring and one-time payments directly from customer bank accounts using paperless NACH Debit, serving use cases such as loan repayments, subscriptions, donations, and tuition fees.

1 investor

Lyrebird develops AI models for audio and video generation, editing, and understanding, which power Descript's video editing workflows. Founded in 2017 as a generative media research effort, it was acquired by Descript in 2019.

2 investors

May Mobility develops multi-policy decision-making technology for autonomous vehicles that processes real-time sensor data to analyze driving scenarios and optimize safety. The technology is designed for autonomous mobility applications.

14 investors

Front is an all-in-one customer operations platform that consolidates communications channels, conversations, and AI tools into a single system for teams managing complex customer interactions. It serves customer support and operations teams across companies seeking to coordinate workflows and reduce context switching.

2 investors

Modern Fertility provides at-home laboratory tests that measure reproductive health markers, enabling women to access fertility information outside of clinical settings. The company targets women seeking early insight into their reproductive status to inform long-term family planning decisions.

3 investors

Modular Science develops tools or technology to reduce barriers to sustainable agricultural practices.

1 investor

Muzz is a matrimonial platform designed for Muslim individuals seeking to connect with potential partners for marriage. The platform facilitates the modern process of matchmaking within the Islamic faith community.

2 investors

Mystery.org produces video explanations of science and other topics designed for elementary school children, with content initially focused on common classroom questions and expanding to address student-generated inquiries.

1 investor

Mystro is a mobile app that helps rideshare and delivery drivers increase earnings by managing multiple gig economy apps simultaneously, filtering unprofitable trips, and automating app switching without driver interaction.

1 investor

NextDrop collects crowdsourced water data and uses algorithms to notify urban residents in India when water will arrive in their area, or alert them to supply disruptions and quality issues, while providing water utilities with real-time visibility into distribution system problems.

1 investor

Nimble is a platform that connects teachers with K-12 schools and districts to improve hiring and workforce management. The platform serves education leaders, school administrators, teachers, and policymakers with tools for job matching, vacancy tracking, and talent development.

3 investors

Nobell Foods produces plant-based dairy cheese made from soybean plants engineered to grow casein protein, working with Midwest farmers. The company targets consumers seeking sustainable cheese alternatives that match the taste and melt characteristics of traditional dairy cheese.

4 investors

Oncobox provides genetic profiling of tumor samples to help oncologists select the most likely effective drug from existing targeted cancer therapies for individual patients with advanced cancer. The analysis examines tumor DNA, RNA, and molecular pathways to identify the most relevant drug targets and generates a clinical report recommending which treatments are most likely to work.

1 investor

OneLocal provides an AI-powered marketing platform designed for local service businesses, helping them improve online visibility, capture leads, and automate marketing tasks through integrated tools including website design, SEO optimization, and lead management.

3 investors

Opearlo is a digital platform that provides online services focused on speed, security, and user experience for businesses, organizations, and individuals seeking to improve productivity and efficiency through modern technology.

1 investor

Passerine Aircraft designs electric aircraft that achieve flight by launching from a jumping mechanism rather than using conventional takeoff methods.

1 investor