Whether you want to level up your skills or build a great team, CodeSignal’s skills assessments and AI-powered learning tools get you where you need to go.

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.

Merge is a single API to add hundreds of integrations to your product. With Merge’s Unified API, developers access a standardized data model to pull and post data between their own platforms and the platforms that Merge offers connections with, in categories like HR & Payroll, ATS, Accounting, CRM, Ticketing, Marketing Automation, File Storage, and more. Merge manages these integrations end-to-end and provides tools that give full visibility and control over your integrations, which saves you countless hours of maintenance and support. The Merge dashboard allows developers to control data syncs, configure webhooks, troubleshoot and resolve customer issues like expired API keys, and more, without the use of engineering resources. By offering integrations at scale, Merge customers like Drata, Ramp, Calendly, and Gong close deals faster, reduce customer churn, and save engineering costs spent on building and maintaining integrations.

Happydance builds high-performance careers websites that turn candidate experience into competitive advantage. Our SaaS platform helps mid-market and enterprise companies attract top talent, showcase their employer brand, and convert interest into hires, seamlessly and at scale.

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.

HelloSky, The Precision Talent Intelligence Platform consolidates human capital, company, talent, investor, and assessment data into a single GenAI-powered platform. With dynamic market mapping, real-time tracking, and SmartRank™ technology, HelloSky is changing the game for how executive precision talent is sourced and evaluated, eliminating the need for multiple disparate costly subscriptions.

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.

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

JobTarget is a company dedicated to helping job seekers and employers connect. We are a team of nearly 500 who are passionate about improving online job search. This focus has allowed us to earn the opportunity to serve thousands of companies and millions of job seekers each month. We are proud and grateful for the opportunity to help them

Talent Llama customers hire 25% faster by rethinking how they screen applications. Instead of relying on resumes, they use our AI to interview everyone — automatically. It’s a dynamic, two-way voice conversation that uncovers real skills without eating up recruiter time. The result? Better hires, faster decisions, thousands a month in savings.

Unified.to helps software teams ship API integrations fast at any scale. We've grown to 20 unified API categories, 280+ integrations, and 1200+ distinct data objects.

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