Drillster Competitors

Connecting the world's professionals to make them more productive and successful. Founded in 2003, LinkedIn connects the world's professionals to make them more productive and successful. With more than 450 million members worldwide, including executives from every Fortune 500 company, LinkedIn is the world's largest professional network on the Internet. The company has a diversified business model with revenue coming from Talent Solutions, Marketing Solutions, and Premium Subscriptions products. Headquartered in Silicon Valley, LinkedIn has offices across the globe.

Coursera was launched in 2012 by Andrew Ng and Daphne Koller with a mission to provide universal access to world-class learning. Today, it is one of the largest online learning platforms in the world, with 197 million registered learners as of December 31, 2025. Coursera partners with over 375 leading university and industry partners to offer a broad catalog of content and credentials, including courses, Specializations, Professional Certificates, and degrees. Coursera’s platform innovations — including generative AI-powered features like Coach, Role Play, and Course Builder, and role-based solutions like Skills Tracks — enable instructors, partners, and companies to deliver scalable, personalized, and verified learning. Institutions worldwide rely on Coursera to upskill and reskill their employees, students, and citizens in high-demand fields such as GenAI, data science, technology, and business, while learners globally turn to Coursera to master the skills they need to advance their careers. Coursera is a Delaware public benefit corporation and a B Corp.

Quizlet is a leading consumer learning brand that builds learning tools to inspire and empower students and teachers. Our team is already supporting a user base of over 60 million active users. We're also among the top 20 U.S. websites and top education apps for iOS and Android - and it's only the beginning. We’re a fast-growing Series C startup, valued at $1 Billion and backed by Union Square Ventures, Costanoa Venture Capital, Icon Ventures, Owl Ventures, Altos Ventures and General Atlantic. With our massive reach and focus on delivering high-quality innovative learning tools, we're having a major global impact on education. Read more at https://quizlet.com/mission. Come join us — we're hiring!