Registration openOnline · Education · intermediate · product-management, business-analyst, data-interpretation
Test 3 of the Mind The Product 2026 series by E-Cell IIT Guwahati prepares students for PM, BA, and BI roles through timed assessments on product sense and data interpretation. This free online event uses Unstop to practice skills required for placements and internships.
Registration openOnline · Education · intermediate · hackathon, online-event, students
An online hackathon where student teams build AI-driven prototypes to solve real-world healthcare challenges. Participants submit ideas, develop solutions, and pitch their projects for evaluation and potential internship opportunities.
OngoingOnline · Education · intermediate · computer-vision, machine-learning, wildlife-management
A free online hackathon where participants build machine learning tools to analyze trail camera images for wildlife research. Teams will predict deer attributes like antler status and age using computer vision techniques.
OngoingOnline · Education · intermediate · nlp, generative-ai, open-source
A competition to transcribe 19th-century handwritten archives from UW Libraries using open-weight AI models on a single GPU. This free online event targets developers and researchers interested in NLP and generative AI.
OngoingOnline · Education · intermediate · chemistry, mass-spectrometry, molecular-structure
This free online competition challenges participants to predict 2-D chemical structures of small molecules using mass spectra data. It is designed for students and researchers interested in chemistry and bioinformatics.
Registration openOnline · Education · intermediate · dsa, competitive-programming, coding
A free online DSA coding competition for Indian college students to test problem-solving and algorithmic skills. Participants individually solve 4 programming problems of varying difficulty within 3 hours.
OngoingOnline · Education · intermediate · hackathon, online-event, free-event
An online hackathon for MCA students to build software projects, hosted on Devpost. The event runs from February to December 2026 and is free to join with no cash prizes.
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.
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.
Rochester · Education · hackathon, women-in-tech, software-development
A 24-hour collaborative programming event hosted by RIT's Women in Computing group to foster inclusion for women and gender minorities in tech. Participants of all skill levels build software projects like apps or websites.
OngoingOnline · Education · intermediate · data-science, machine-learning, prediction
A free online data science competition where participants build machine learning models to predict long-term marriage longevity based on birth dates and locations. Targeted at students and professionals skilled in Python and binary classification, the challenge uses a temporal da
OngoingOnline · Education · intermediate · data-science, machine-learning, prediction
A free online data science competition challenging participants to build an astrological model that predicts whether a relationship lasted 30+ years. Using historical Wikidata records of birth dates and locations, competitors must create a genderless, order-agnostic prediction mo