Ghaziabad · Tech · hackathon, ai, ml
A 24-hour national hackathon for Indian college students in Ghaziabad featuring tracks in AI, blockchain, and IoT. Participants submit ideas online and compete in an offline finale to build prototypes.
Online · Tech · intermediate · hackathon, ai, online
Build and deploy AI agents that make real phone calls using the CALL-E platform. This online competition offers $10,000 in prizes for practical applications solving business problems via SDK integration.
Online · Tech · hackathon, data, coding
An online hackathon hosted by the MLH community featuring daily workshops and technical challenges. Participants build projects, network via Discord, and earn points by completing coding and design tasks.
Ramanagara · Tech · intermediate · hackathon, software-development, ai
DSU DevHack 3.0 is a 36-hour national hackathon for student developers and designers in Ramanagara, India. Participants compete for a 20 Lakhs+ prize pool by building software, AI, or hardware solutions with industry mentorship.
Online · Tech · intermediate · hackathon, sustainability, data-science
A free online hackathon hosted by Rice University challenging teams to optimize US city sustainability for the FIFA 2026 World Cup. Participants build data visualizations and pitch solutions focusing on transport, resources, and public health.
Atlanta, · Tech · hackathon, mlh, atlanta
HackHers @GSU is a free hackathon listed on Major League Hacking taking place in Atlanta on September 18-19, 2026. This competition is open to participants.
Pittsburgh · Tech · intermediate · hackathon, collegiate, networking
SteelHacks XIII is a free 24-hour collegiate hackathon at the University of Pittsburgh for 750+ students. Participants collaborate on sponsor-driven tracks with workshops and mentorship.
Baltimore · Tech · hackathon, software, hardware
HopHacks 2026 is a 36-hour in-person hackathon at Johns Hopkins University for university students. Participants build software or hardware applications in teams or solo to compete for sponsor prizes.
Blacksburg · Tech · coding, workshops, project-building
VTHacks 14 is a 36-hour hackathon hosted by Virginia Tech in Blacksburg from September 18 to 20, 2026. The free event targets students and innovators for collaborative coding, workshops, and project building.
Waterloo · Tech · hackathon, software, hardware
Hack the North is a free in-person hackathon in Waterloo, Canada, running September 18-20, 2026. It targets students and hackers to build projects with mentorship, covering travel and lodging costs.
Online · Tech · advanced · inertial-odometry, robotics, machine-learning
This online competition challenges teams to develop a single unified model predicting 3-D velocity from raw 6-axis IMU data across cars, dogs, drones, and humans. Participants must submit code and weights to Hugging Face, with top teams invited to present at IROS 2026.
Online · Tech · intermediate · ctf, cybersecurity, web-security
Hacker's Gambit 2026 is a free international Capture The Flag (CTF) cybersecurity competition with an online qualifier and offline finale. It targets students and professionals testing skills in web security, cryptography, and forensics.