Major League Hacking

Internationalmlh.io

The official student hackathon league, with online events almost every weekend.

Active opportunities, 3

Global Hack Week: Open Source Week - a free online week about open source, 4-10 December

Open to anyone in any country: the organizer describes Global Hack Week as a 100% free event for anyone, anywhere, suitable for beginners. Open Source Week runs online on 4-10 December 2026 and is devoted to all things open source: live sessions, challenges and community discussion within Major League Hacking. Participation is free.

Hackathons Free Online

Major League Hacking

Global Hack Week: Builders Week - a free online week for builders, 6-12 November

Open to anyone in any country: the organizer describes Global Hack Week as a 100% free event for anyone, anywhere, suitable for beginners. Builders Week runs online on 6-12 November 2026: daily live sessions, challenges and work on personal projects within the Major League Hacking community. Participation is free.

Hackathons Free Online

Major League Hacking

MLH - Student Hackathons (2026 Season)

The official hackathon league: online events almost every weekend, free to participate.

Hackathons Free Online