Registration openOnline · Tech · beginner · hackathon, online-event, free-event
A 24-hour online hackathon where developers and students build original projects using any technology stack. Participants submit code via GitHub to compete for a ₹50,000 prize pool and showcase their problem-solving skills.
OngoingOnline · 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.
Registration openOnline · Education · beginner · ideathon, innovation, problem-solving
An online ideathon where student teams identify problems and develop innovative solutions. Open to individuals or groups of up to four from any background, focusing on real-world problem-solving and originality.
OngoingOnline · Tech · design-sprint, ui-ux, prototyping
A free online design sprint hackathon hosted on Devpost from September 8 to 19, 2026. Participants engage in rapid prototyping and design exercises without monetary prizes.
OngoingOnline · Education · intermediate · hackathon, ai, machine-learning
A free online hackathon where teams build AI-powered educational tools to improve learning accessibility. Participants create prototypes and deliver 2-minute video pitches for judging based on impact, technical quality, and creativity.
OngoingOnline · Tech · beginner · hackathon, online-event, free-event
A free online hackathon where participants build prototypes by integrating 3-4 randomly selected words into their projects. Teams create anything from web apps to hardware devices, judged on creativity and how well they weave the chosen constraints into a cohesive solution.
Registration openBangalore · Tech · intermediate · hackathon, offline-event, signal-processing
A 10-hour offline hackathon in Bengaluru focused on signal processing, computer vision, and embedded systems. Open to student teams of up to four members who must register via the official website to build prototypes in tracks like IoT and biomedical AI.
OngoingMunich · Tech · hackathon, devpost, free-event
A free hackathon on Devpost held in Munich from September 1-20, 2026. Open to developers and students for building software projects with no entry fee or prize money.
OngoingBengaluru · Tech · hackathon, startup, prototyping
A free hackathon in Bengaluru running from September 6-20, 2026, where builders create prototypes for potential startups. Hosted on Devpost with ₹50,000 in prizes.
OngoingOnline · Education · intermediate · ai, machine-learning, hackathon
A free online hackathon where individuals or teams build an educational tool using AI or machine learning. Participants submit a working prototype, GitHub repository, and a 2-minute video demo to compete for certificates.
OngoingOnline · Tech · hackathon, online-event, free-event
Avalon OpenHack is a free online hackathon for students and developers to build working solutions for real-world problems. Participants collaborate to prototype ideas and receive a certificate plus one month of DevSwarm Pro access.
Registration openRedmond · Community · hackathon, nonprofit, software-development
A free in-person weekend hackathon where developers and designers build real software for Seattle-area nonprofits. Open to all skill levels including DBAs and DevOps engineers, participants join teams to ship useful community projects without entry fees.