Y Combinator Summer 2019 (S19) Companies

Jupiter is a monetization platform for food content creators that facilitates brand partnerships with CPG companies, integrates with ad networks, and enables commerce through Instacart. The platform serves content creators of all sizes in the food and cooking niche.

4 investors

Kern Systems develops a cold data storage platform using synthetic DNA molecules and enzymes to archive data with superior density, durability, and energy efficiency compared to traditional storage technologies. The platform targets the growing market for long-term archival storage of rarely-accessed unstructured data.

2 investors

MABAR69 is an online gambling platform offering lottery games (4D togel) across Macau, Sydney, and Hong Kong markets, as well as slot games from licensed providers.

1 investor

Kitekraft develops airborne wind energy systems that use small tethered aircraft instead of conventional rigid towers and blades to harvest wind and generate low-cost electricity. The technology aims to reduce material use, simplify logistics and installation, and lower landscape impact compared with traditional wind turbines.

1 investor

Kraftful helps product teams gather user feedback and build products that users want through iterative, user-centered development practices.

4 investors

KubeSail provided self-hosting infrastructure and Kubernetes tools, including Raspberry Pi-based hardware, to enable users to host applications on their own hardware and retain control of their data.

1 investor

LAIKA is an online and physical retailer offering pet supplies including food, accessories, toys, grooming products, and hygiene items for dogs and cats, with same-day delivery service.

3 investors

Lantern provides automated user behavior tracking for product development teams, requiring no code or technical setup to deploy.

1 investor

Legacy provides at-home fertility testing kits that deliver results quickly, serving couples seeking to conceive. The company operates in the digital health and fertility testing space.

9 investors

This appears to be a personal blog offering advice and insights on website creation, optimization, and management, covering topics like domain selection, hosting, UX design, content strategy, SEO, and e-commerce integration. The content is aimed at small business owners, content creators, and established brands seeking to improve their online presence.

1 investor

LineLeap operates a mobile app that allows nightlife customers to skip venue lines, purchase cover charges, buy event tickets, and order drinks at bars and clubs. The platform serves both consumers attending venues and venue operators seeking to improve customer experience and generate additional revenue.

7 investors

Localyze provides technology and expertise to support global mobility needs, including visa applications, compliance, immigration guidance, and relocation services for both employees and companies. The platform helps organizations manage talent mobility across borders and reduces bureaucratic friction in international work arrangements.

2 investors

Lofty is a platform for fractional ownership of U.S. real estate, allowing investors to buy shares in rental properties and access educational resources about real estate investing. The platform serves individual real estate investors and provides marketplace functionality for property share trading.

5 investors

Lokal is a vernacular hyperlocal platform providing local news, classifieds, and job listings to non-English speaking users across rural and tier 2+ Indian markets. The platform serves over 900 million users through a distributed network of local reporters and partnerships with major brands to reach audiences in remote areas.

5 investors

Lucid Bots designs and manufactures commercial robotics and drones for exterior cleaning and building maintenance in the construction and facilities management industries. The company's Sherpa cleaning drone performs high-reach tasks for professional contractors, property managers, universities, and medical facilities.

4 investors

Lumineye manufactures portable radar sensors that enable first responders and military personnel to detect and locate individuals behind walls and other barriers.

2 investors

LunaTrace provides a hosted open source tool that identifies vulnerabilities in software dependencies and generates prioritized remediation guidance to accelerate patching. The platform serves development teams seeking to reduce security and compliance risk with less noise than traditional vulnerability scanning.

1 investor

Matagora is a Shopify consulting and migration firm that helps independent retailers optimize their ecommerce stores and workflows. Founded by entrepreneurs with hands-on retail experience, the company specializes in managing complex Shopify store migrations and providing ongoing technical support to small retailers competing with larger operators.

1 investor

Mora is an AI-powered analytics platform that answers natural language questions about company data using a semantic layer and verified metrics catalog. It serves data teams and business users seeking an alternative to traditional business intelligence tools.

1 investor

Method builds financial connectivity infrastructure that enables software companies and financial services firms to embed banking, payments, and account data capabilities into their platforms. The company provides real-time connections to bank accounts and payment rails to support commerce, lending, and account management applications.

10 investors

Microverse is an online education platform that trains people globally for remote work opportunities, with a focus on building collaboration and communication skills needed in distributed teams. The company targets talent from underserved regions worldwide seeking access to high-quality technical education and remote job placements.

4 investors

Mighty Health provides a comprehensive health program designed to help older adults maintain and improve their daily functioning and independence.

3 investors

Million Marker provides testing and solutions to help people understand and reduce their exposures to toxic chemicals and environmental contaminants. The company serves individuals seeking personalized preventive health strategies to minimize harmful chemical exposures.

1 investor

Mindset Health develops digital health programs using hypnotherapy and mind-body medicine to help patients manage gastrointestinal disorders and improve health outcomes. The platform is delivered via mobile app and partnerships with health plans and medical centers globally.

6 investors