Y Combinator Winter 2015 (W15) Companies
108 companies from the Y Combinator Winter 2015 batch, with their investors and founders.
ReSchedule Med provides scheduling management software for medical residency programs, addressing the complex logistics involved in coordinating resident assignments and rotations.
1 investor
Rescue Ops collects and stores data from classified advertising sites that feature commercial sex postings, providing law enforcement agencies with information for human trafficking investigations.
1 investor
Resolve provides web, iPad, and VR platforms for accessing and collaborating on building information models (BIM) in construction. The platform enables teams to identify coordination issues, track problems, and make faster decisions on complex mechanical and infrastructure projects.
3 investors
The Sails Company develops open-source web and mobile frameworks alongside professional services for server-side development using JavaScript and Node.js. They offer consulting, design, and implementation support to help developers and organizations build enterprise-grade applications more efficiently.
1 investor
Seed offers mobile banking services tailored to small business owners, providing digital banking tools and support services for business management.
1 investor
Shift Labs develops DripAssist, an FDA-cleared infusion rate monitor that enables safe delivery of gravity IV medications in home and out-of-hospital settings. The platform remotely tracks medication infusion rates and provides data analytics for healthcare providers administering home infusion therapy.
3 investors
Branch provides earned wage access and on-demand payment solutions for businesses and their workers, enabling employers to offer employees faster access to their earnings through an integrated payroll platform.
1 investor
SigOpt provides a self-hosted server solution that enables organizations to run hyperparameter optimization and machine learning experimentation in their own environments without data leaving their servers.
6 investors
SIRUM works to save lives, with a focus on health equity in underserved communities. The organization builds on experience in public-private partnerships and community health initiatives.
1 investor
JustPark Insights is a parking data platform that centralizes information from equipment, payments, and applications to provide real-time visibility into parking metrics. It enables parking operators to optimize occupancy, pricing, and revenue through business intelligence and automated reporting.
4 investors
Smyte provides fraud and abuse detection services to online marketplaces and social platforms, using automated classification to identify and block spam, scams, harassment, and payment fraud.
3 investors
SparkGift allows people to gift stocks and exchange-traded funds to friends and family through digital gift certificates, requiring no existing brokerage account. The platform serves retail investors and gift-givers who want to introduce recipients to investing with fractional shares starting at $20.
1 investor
Spire Health provides continuous respiratory monitoring devices used by pulmonologists and patients to track lung disease. The company's sensors enable remote tracking of chronic respiratory conditions across the United States.
1 investor
Spoil is a platform that uses algorithms and on-demand delivery to let users send physical gifts to others, simplifying the gifting process for individuals and businesses.
1 investor
Standard Cyborg provides cloud and edge infrastructure that enables developers and non-technical users to construct, test, and optimize computer vision applications without specialized expertise.
3 investors
Tab provides payment and booking solutions for travel businesses, handling international payments and enabling direct bookings across multiple currencies.
1 investor
Tara AI provides analytics software for engineering teams that analyzes source control and project data to measure and improve development cycle times, deployment velocity, and resource allocation.
3 investors
TeamNote is an all-in-one mobile productivity and internal communication app that enables information sharing and team engagement through purpose-driven channels for businesses. The platform emphasizes security and is ISO 27001:2022 certified.
1 investor
Tech in Asia operates a digital technology news and media platform covering the Asian startup and tech sector, serving entrepreneurs, investors, and industry professionals in the region.
10 investors
Tempo offers a connected home gym system with AI-guided strength training. The platform uses color-coded weights and 3D body scans to track performance and adapt workout plans for individual users.
5 investors
The Human Utility is a platform that helps low-income families in Baltimore, Detroit, and Michigan cities afford water bills through crowdfunding and community support. The organization also conducts policy advocacy to improve water affordability in the United States.
1 investor
ThinAir provides cloud-based data security software that gives administrators and employees control over sensitive information without compromising workflow efficiency.
1 investor
Strateos operates a cloud lab platform offering laboratory automation-as-a-service, using high-throughput robotics that let scientists design, run, and analyze experiments remotely via a web browser. It serves pharmaceutical companies, biotechs, startups, academia, CROs, and AI drug discovery teams in the life sciences.
1 investor
Underground Cellar is an online wine retailer offering daily curated wine deals from wineries across Napa Valley, France, and beyond, with surprise upgrades to higher-value bottles included with each purchase. The company operates from Sonoma and is backed by 20+ years of wine industry expertise from Wine Country Connect.
1 investor