46 startups in this batch
The Winter 2013 cohort arrived as the Series A Crunch dominated headlines, forcing founders to prioritize revenue-generating B2B models over pure consumer growth. It was a pivotal era defined by the maturation of cloud infrastructure and the first serious attempts to bring Silicon Valley software to legacy industries like construction and aviation.
This batch proved that developer experience (DevEx) was a massive, untapped market, with companies like Bitnami simplifying the once-painful process of server deployment. They also validated that high-trust marketplaces for complex services could thrive by leveraging public data to solve the information asymmetry problem in fragmented industries like home remodeling.
Many startups in this era struggled with the high operational overhead of managing physical-world data, such as drone imagery or construction permits, which required massive human teams to process. Builders today should note that many W13 failures weren't due to lack of demand, but because the unit economics of manual data curation couldn't scale at the speed of software.
The massive opportunity for 2026 lies in AI-native vertical SaaS that replaces the manual "middleman" functions W13 founders identified. By using multimodal LLMs to automate site inspections, permit analysis, and technical documentation, a solo founder can now scale a heavy-industry startup that previously required a hundred-person operations team.
Airware provides end-to-end solutions that enable enterprises to…
BuildZoom is a better way to remodel. We connect homeowners to the…
Fastest, easiest, and most affordable way for small business owners…
CrowdMed harnesses the wisdom of crowds to solve difficult medical…
FlightCar is the Airbnb of Car Rentals at Airports. We allow people…
The platform for building and operating time series applications.
Logiblock engineers electronics and development tools to dramatically…
Medisas builds workflow & collaboration software for hospitals.
Simple password & identity management for teams. Acquired by LogMeIn…
Simple, modern invoicing software for creating and sending PDF invoices quickly.
Ultra-short feedback surveys on tablets mounted in businesses. Higher…
Predicting workplace performance through neuroscience
A universal urban transit app. Given all transportation options…
Collaborative Screen Sharing — you each get your own mouse, and…
Data and AI platform for Ecommerce & Cross-Border Logistics
Stop missing deliveries. Ship to Swapbox and pick up at our kiosks.
IMPORTANT: The original YC founders are no longer involved with this…
Educational assessments made easy. Eliminating paper-based exams in…
VaycayHero is a marketplace of professionally managed vacation…
We're Robinhood for pre-IPO startups. Everyone can invest $100.