Master the Technology of Today, for Free

OpenCS is Aalto University's open online platform offering free computer science courses for anyone, anywhere. Whether you're starting your journey in tech or expanding your skills, you'll find high-quality, university-level learning at your fingertips.

Study at your own pace, mostly with no strict deadlines. For learners in Finland, official Aalto credits are available for some of the courses, while everyone worldwide gains valuable, practical knowledge in topics ranging from web development to modern programming languages.

You're in good company

Join tens of thousands of learners from a range of organizations, including...
University of Lapland Espoo schools Tuxera Aalto University Seinäjoki University of Applied Sciences (SeAMK) Centria University of Applied Sciences Laurea University of Applied Sciences Lahti / EduLahti Raseko (Raisio Region Education) Turku University of Applied Sciences (Turku AMK) University of Helsinki Jamk University of Applied Sciences University of Lapland Espoo schools Tuxera Aalto University Seinäjoki University of Applied Sciences (SeAMK) Centria University of Applied Sciences Laurea University of Applied Sciences Lahti / EduLahti Raseko (Raisio Region Education) Turku University of Applied Sciences (Turku AMK) University of Helsinki Jamk University of Applied Sciences
Jedu (Vocational School) Tampere schools University of Vaasa Oulu University of Applied Sciences SSKKY (Satakunta Vocational Education) Lapland University of Applied Sciences Häme University of Applied Sciences (HAMK) University of Jyväskylä ABB Metropolia University of Applied Sciences Haaga-Helia University of Applied Sciences Jedu (Vocational School) Tampere schools University of Vaasa Oulu University of Applied Sciences SSKKY (Satakunta Vocational Education) Lapland University of Applied Sciences Häme University of Applied Sciences (HAMK) University of Jyväskylä ABB Metropolia University of Applied Sciences Haaga-Helia University of Applied Sciences Jedu (Vocational School) Tampere schools University of Vaasa Oulu University of Applied Sciences SSKKY (Satakunta Vocational Education) Lapland University of Applied Sciences Häme University of Applied Sciences (HAMK) University of Jyväskylä ABB Metropolia University of Applied Sciences Haaga-Helia University of Applied Sciences Jedu (Vocational School) Tampere schools University of Vaasa Oulu University of Applied Sciences SSKKY (Satakunta Vocational Education) Lapland University of Applied Sciences Häme University of Applied Sciences (HAMK) University of Jyväskylä ABB Metropolia University of Applied Sciences Haaga-Helia University of Applied Sciences
South-Eastern Finland University of Applied Sciences (XAMK) Lappeenranta-Lahti University of Technology (LUT) University of Oulu Karelia University of Applied Sciences Hanken School of Economics Alma Media Kesko Visma Uniarts Helsinki (University of the Arts Helsinki) Kajaani University of Applied Sciences (KAMK) University of Turku South-Eastern Finland University of Applied Sciences (XAMK) Lappeenranta-Lahti University of Technology (LUT) University of Oulu Karelia University of Applied Sciences Hanken School of Economics Alma Media Kesko Visma Uniarts Helsinki (University of the Arts Helsinki) Kajaani University of Applied Sciences (KAMK) University of Turku South-Eastern Finland University of Applied Sciences (XAMK) Lappeenranta-Lahti University of Technology (LUT) University of Oulu Karelia University of Applied Sciences Hanken School of Economics Alma Media Kesko Visma Uniarts Helsinki (University of the Arts Helsinki) Kajaani University of Applied Sciences (KAMK) University of Turku South-Eastern Finland University of Applied Sciences (XAMK) Lappeenranta-Lahti University of Technology (LUT) University of Oulu Karelia University of Applied Sciences Hanken School of Economics Alma Media Kesko Visma Uniarts Helsinki (University of the Arts Helsinki) Kajaani University of Applied Sciences (KAMK) University of Turku
Ekky (South Karelia Education) LAB University of Applied Sciences Tampere University Yle Nokia University of Eastern Finland (UEF) Omnia (Espoo education provider) Satakunta University of Applied Sciences (SAMK) City of Helsinki Helsinki schools Åbo Akademi University Ekky (South Karelia Education) LAB University of Applied Sciences Tampere University Yle Nokia University of Eastern Finland (UEF) Omnia (Espoo education provider) Satakunta University of Applied Sciences (SAMK) City of Helsinki Helsinki schools Åbo Akademi University Ekky (South Karelia Education) LAB University of Applied Sciences Tampere University Yle Nokia University of Eastern Finland (UEF) Omnia (Espoo education provider) Satakunta University of Applied Sciences (SAMK) City of Helsinki Helsinki schools Åbo Akademi University Ekky (South Karelia Education) LAB University of Applied Sciences Tampere University Yle Nokia University of Eastern Finland (UEF) Omnia (Espoo education provider) Satakunta University of Applied Sciences (SAMK) City of Helsinki Helsinki schools Åbo Akademi University

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Courses

Choose from a variety of courses designed by instructors at Aalto University.