iMocha is a leader in skills assessment and skills intelligence, empowering organizations to adopt a skills-first approach to workforce development.

We work intensively with the companies for three months to get them into the best possible shape and refine their pitch to investors. Each cycle culminates in Demo Day, when the startups present their companies to a carefully selected, invite-only audience. But YC doesn’t end on Demo Day. We and the YC alumni network continue to help founders for the life of their company, and beyond.

Wellfound is the leading hiring platform for startups and tech companies. It provides tools for companies to source, evaluate, and manage applicants. wellfound:ai is a suite of AI recruiting tools that integrates with Gem to automate the busy work of finding talent, so you can focus on turning great candidates into great hires.

About Tofu Tofu is the AI fraud detection platform that protects companies from fake applicants and bad actors. Backed by leading investors, Tofu uses multi-signal analysis to identify sophisticated hiring threats - from AI-generated applications to state-sponsored actors like North Korean IT workers. Companies like Circle.com and Samsara trust Tofu to secure their hiring pipelines. Our fraud detection capabilities include: • AI Fraud Screening: Automatically analyzes every applicant across 40+ of signals - resume metadata, cross-network identity verification, and behavioral patterns - to surface risk before you ever review a resume. • Risk Reports: Clear, recruiter-friendly reports that explain exactly why an applicant was flagged, with actionable recommendations for next steps. • Cross-Network Detection: Identifies applicants who've applied to multiple companies using different identities, exposing coordinated fraud rings. • Continuous Monitoring: Ongoing verification that catches threats that emerge after initial screening. • Deepfake Detection: Detect deepfake usage on interviews and ensure the same candidate shows up to every interview.

With CoderPad you can assess real skills, reduce time-to-hire, and build high-performing teams with coding tests and interviews that reflect real engineering work saving companies an average of $30,000 per hire. CoderPad Screen: Screen smarter, hire faster. CoderPad Screen gives you reliable coding assessments built around real-world engineering tasks—quickly identify top talent, streamline your pipeline, and reduce costly mishires. CoderPad Interview: Interviews built for real engineering work. CoderPad Interview enables your team to conduct real-time, collaborative coding sessions—clearly assess how candidates code, communicate, and solve realistic problems, ensuring confident hiring decisions.

Enboarder’s AI-driven Intelligent Journey Platform empowers HR leaders to deliver best-in-class, personalized, cross-functional onboarding journeys that significantly accelerate employee time-to-value by connecting new hires with the right people, tools, and resources. Our fully self-serviceable, no-code platform also powers other critical journeys across the employee lifecycle, from internal mobility and offboarding, automating cumbersome administrative tasks that empower HR to do much more with less. Enboarder’s Intelligent Journey Platform is a market-first GenAI-driven solution that: 1. Leverages AI to automatically create best-in-class, personalized, cross-functional employee journeys in minutes 2. Enables hiring managers to structure and streamline highly effective company & functional onboarding processes 3. Offers an unrivaled level of customization, flexibility and agility while automating cumbersome administrative tasks with no reliance on IT

Remote eliminates barriers to international hiring so great companies can work with great people, no matter where those people are.

Lattice is best all-in-one people platform, giving HR teams everything they need for HR, Talent, and AI—together in one place.The platform seamlessly integrates a modern HRIS with performance management, engagement insights, AI-driven analytics, payroll, and career development tools, giving HR teams everything they need to build high-performing teams and make data-driven decisions that drive business results. Unlike outdated, disconnected systems, Lattice removes tradeoffs between best-in-class people programs and operational efficiency. Because HR teams shouldn't have to choose between strategic impact and a system that just works. With offices in North America and the UK, Lattice serves more than 5,000 customers worldwide, including Gusto, Brilliant Earth, Intercom, Webflow, Calm, NPR, Tide, and more. The company has ranked on the Inc. 5000 list of the fastest-growing private companies for four consecutive years and is rated as a Great Place to Work by 99 percent of its employees.

Since its inception in 2003, DocuSign has been on a mission to accelerate business and simplify life for companies and people around the world. We pioneered the development of e-signature technology, and today DocuSign helps organizations connect and automate how they prepare, sign, act on, and manage agreements. Our value is simple to understand: legacy, paper-based agreement processes are manual, slow, expensive, and error-prone. We eliminate the paper, automate the process, and connect it to all the other systems that businesses are already using. Our platform has 350+ prebuilt integrations with popular business apps and our APIs enable embedding and connecting DocuSign with customers' websites, mobile apps, and custom workflows. Today, more than 500,000 customers and hundreds of millions of users in over 180 countries use DocuSign to accelerate the process of doing business and to simplify people's lives.

Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system.

The Okta Identity Cloud provides secure identity management with Single Sign-On, Multi-factor Authentication, Lifecycle Management (Provisioning), and more.

Metaview is the AI recruiting platform for radically better hiring. Recently backed by GV, Metaview offers a suite of AI agents that bring automation and intelligence to every step of the hiring journey — from intake to offer. Over 4,000 high-growth companies, including Deel, ElevenLabs, Synthesia, and Brex, are already recruiting on Metaview. Our suite of connected agents include: • AI Sourcing: The first truly autonomous AI sourcing agent that acts as a proactive, collaborative, context-aware teammate to find you perfect-fit candidates. • AI Notetaker: Perfect recruiting notes, totally configurable to your hiring workflow, and grounded in the context of the hire you're making. • AI Reports: A fully customizable reporting engine that lets you slice, track, and optimize your entire hiring process. • AI Job Posts: AI-powered checks and suggestions for compliant, consistent job posts.