HDpiano Competitors

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.

Udemy was founded in 2010 with a mission to improve lives through learning by democratizing access to skills development. Today, we've grown into one of the world's largest AI Powered Skills Acceleration Platform, with nearly 85 million learners worldwide and over 1.1 billion course enrollments. Our global skills ecosystem connects learners with 85,000 expert instructors across more than 250,000 courses in 77 languages. From programming and data science to business strategy and creative skills, we offer hands-on learning experiences designed for immediate real-world application. Udemy serves both individual learners advancing their careers and organizations building future-ready teams. Our AI-enhanced platform personalizes learning journeys, helping professionals master in-demand skills in today's rapidly evolving, skills-first economy. With over 17,000 business customers and growing demand for AI literacy across industries, we're transforming how the world learns and works. Whether you're an individual looking to upskill, an instructor ready to share expertise with millions, or an enterprise building workforce agility, Udemy is where skills happen.

With offices in Madison, Wisconsin and Nashville, Tennessee, Musicnotes is the world's largest Internet-based sheet music retailer and publisher, offering over 400,000 pieces of digital sheet music and guitar tablature. Our 100% official and legal sheet music downloads include professional arrangements for all major instruments and skill levels and are available for instant download, printing and syncing to our interactive iPad, Android, PC, Mac and web-based apps. Musicnotes.com has sold over 50 million sheet music downloads to over 7 million customers throughout the world since launching in 1998, and has been named one of the Top 500 Retail Web Sites for seven consecutive years. We have also been recognized as one of the Top 50 Web Sites for 2006, Hot 100 Web Sites for 2009 by Internet Retailer Magazine, and the #21 largest music store in 2014 by Music Trades Magazine. Our ever-growing catalog includes downloadable sheet music from music publishers throughout the world, including Alfred Music Publishing, Sony/ATV Music Publishing, Disney Music Publishing, BMG, Bourne Music, EMI Music Publishing, Cherry Lane Music Publishing, Universal Music Publishing, Brentwood-Benson, Peermusic Publishing, BUG Music, Word Music, Shapiro Bernstein, ICG, The Loving Company, Manna Music, Spirit Music, Faber Music LTD and EMI Christian Music Publishing with many titles from other publishers continually added to our online catalog.