OngoingOnline · Education · intermediate · binary-classification, machine-learning, healthcare
A free online competition where participants build binary classifiers to distinguish malignant from non-malignant skin lesions using the HAM10000 dataset. The event targets data scientists and healthcare researchers focusing on machine learning and medical imaging.
Registration openOnline · Business · intermediate · startup, strategy, decision-making
A daily online competition challenging participants to solve real-world startup problems and rank against thousands of professionals. It tests strategic decision-making skills through a streak-based leaderboard system with no entry barriers.
Registration openPanipat · Business · beginner · business-plan, pitching, startup
A free competition in Panipat where students and aspiring entrepreneurs pitch original business plans to judges. Participants develop strategies, create presentations, and compete for cash prizes by demonstrating entrepreneurial skills.
OngoingOnline · Other · hackathon, online-event, free-event
InnovArt 2027 is a free online hackathon on Devpost exploring the intersection of art and technology. It runs from August 2026 to January 2027 with no entry fee or specified prizes.
Registration openDelhi · Tech · beginner · hackathon, offline-event, students
A 24-hour offline hackathon in Delhi where student teams of 2-4 members transform ideas into working tech solutions. Participants submit a presentation proposal first, then compete in a final build challenge for a ₹6 lakh prize pool.
Registration openOnline · Tech · hackathon, online-event, free
A free online hackathon where teams engineer foundational solutions to rebuild civilization after a global collapse. Open to students and professionals across all disciplines to build projects in AI, IoT, robotics, or sustainability that address critical societal pillars.
Hamilton · Education · beginner · hackathon, students, teamwork
DeltaHacks 13 is a free 24-hour hackathon at McMaster University for students to build projects for positive change. Open to all skill levels, it provides workshops, food, and mentorship to help teams or individuals code innovative solutions.
OngoingOnline · Tech · advanced · dsl, compiler-design, parser
Design and build a Domain-Specific Language (DSL) with a working parser, interpreter, or compiler for a specific field like AI or finance. This online competition targets developers and students who want to showcase their skills in programming language design and engineering thro
OngoingOnline · Tech · intermediate · kaggle, llm, ai
A free online competition on Kaggle where participants identify Large Language Models for a $50,000 prize. It runs from October 2026 to January 2027 and targets AI enthusiasts and data scientists.
OngoingOnline · Tech · hackathon, free, online
A free online hackathon where developers and students build tech solutions for underserved communities. Participants submit code repositories and demo videos to compete for prizes based on social impact and technical excellence.
OngoingOnline · Tech · intermediate · machine-learning, data-science, competition
A free online data science competition challenging participants to build a supervised machine learning model that predicts Laysan Albatross sex from body measurements. Targets data scientists and researchers aiming to apply binary classification techniques to conservation problem
Vancouver · Tech · hackathon, innovation, teamwork
Join nwHacks for a 24-hour in-person hackathon at UBC in Vancouver where you can build projects and learn new skills. Open to all skill levels, this free event fosters community and innovation among students and developers.