Y Combinator Summer 2017 (S17) Companies

Darmiyan develops medical AI and brain imaging software for early detection and monitoring of neurodegenerative diseases, particularly Alzheimer's. The platform targets healthcare providers, patients, and pharmaceutical companies seeking to advance brain health and disease prevention.

3 investors

Dharma Labs operates an Ethereum wallet that connects US bank accounts to decentralized exchanges, allowing users to purchase cryptocurrency tokens and access DeFi yield opportunities from a mobile app.

1 investor

Disclosures.io provides software that accelerates the home listing process and gives buyers access to property information, serving residential real estate agents and consumers.

1 investor

Dropleaf operates a subscription service offering unlimited access to independent PC games, with tools for players to discover titles suited to their preferences and a platform designed to increase visibility and revenue opportunities for indie developers.

1 investor

Eduflow provides a platform for instructors to create interactive learning activities that engage students across educational institutions and corporate training programs, positioning them as active participants rather than passive consumers of content.

4 investors

Elucd provides a platform that transforms raw data and information into actionable insights to help organizations make informed decisions. The platform serves leaders across industries—from corporate executives to nonprofit directors and public sector officials—by offering real-time sentiment tracking, behavioral analysis, and clarity on what matters most to their goals.

1 investor

Entocycle uses industrial automation and machine learning to convert organic waste into animal and plant feed by breeding black soldier fly larvae at scale. The company addresses protein demand and food waste in global agriculture and aquaculture.

7 investors

Enzyme develops a Quality Management System (QMS) software platform for life science companies including drug, biologic, device, and digital product manufacturers, designed to streamline regulatory workflows and generate FDA-ready documentation.

1 investor

Escher Reality provides an API platform that handles backend infrastructure and services for augmented reality applications.

2 investors

A social platform that enables group video calls for both existing friendships and meeting new people.

3 investors

Fastpad provides recruitment software designed for the Indian market that filters out fraudulent applications and gives employers condensed profiles of genuine job candidates.

1 investor

Fat Llama was a UK-based peer-to-peer rental marketplace that let people rent out items such as cameras, drones, and equipment to others nearby, with lender protection guarantees. Acquired by Hygglo in 2022.

3 investors

Fazz Financial provides integrated financial services solutions for businesses and consumers, supporting daily digital financial needs and business operations in Indonesia.

5 investors

Feather operates a furniture rental platform where customers can pay monthly toward potential ownership or return items for refurbishment and reuse, with options to swap pieces as needed. The service targets city dwellers and businesses seeking flexible furnishing solutions while diverting used furniture from landfills.

3 investors

Flock Safety provides a platform that connects neighborhoods, businesses, and law enforcement to share verified incident information and enable coordinated emergency response based on shared evidence.

18 investors

Flowspace provides end-to-end fulfillment and logistics services for e-commerce brands, offering warehousing, order management, and logistics support across the United States.

7 investors

FollowUpThen provides email productivity tools for teams, allowing members to manage follow-ups and customize workflows through optional add-on skills. The company serves productivity-focused teams seeking flexible, usage-based email management solutions.

1 investor

Forever Labs operates a stem cell banking service that collects, processes, and cryopreserves adult stem cells from individuals for potential use in future regenerative therapies. The company connects patients with a network of board-certified physicians across the United States and coordinates cell storage and therapeutic activation.

4 investors

Gameday is a sports prediction platform where users make picks across different sports and compete on live leaderboards. The platform enables same-game predictions (SGPs) for football with plans to expand to additional sports.

1 investor

The site promotes the Mostbet mobile application, a gambling app offering sports betting, casino games, poker, and eSports wagering for Android and iOS users. It serves players in over 90 countries, with a focus on India, Bangladesh, and Pakistan, and operates under a Curacao gambling license.

1 investor

Gem is an AI recruiting platform that helps talent acquisition teams find candidates and hire faster. It serves recruiting teams at startups and enterprises.

11 investors

Goodcover offers renters insurance using a cooperative membership model that returns unclaimed premiums to members as annual dividends. The company delivers insurance through a digital-first platform with human support, operating as a fully licensed provider across 41 U.S. states.

1 investor

Messenger is a messaging application that enables users to connect with friends and family, manage communities, and explore interests.

1 investor

Greo is a mobile app that allows users to record and share video-based conversations focused on current events and news topics.

3 investors