OpenAI Build Week Online Join a global week of building with Codex $100,000 in prizes Winners announced 46685 participants
Hack Western 12 London, Canada Hack Western is Western University's annual student-run hackathon, allowing students to innovate, build and create amazing technologies. Non-monetary prizes Nov 21 – 23, 2025 284 participants
Rift Rewind Hackathon Online Your Season, Your Story — League API + AWS AI Services $26,000 in prizes Winners announced 2630 participants
Overhaul - Western Developer's Society London, Canada Over the span of three days, you’ll have the chance to test your debugging skills, develop new features, and pitch your final product! $CAD 800 in prizes Dec 1 – 3, 2023 35 participants
Hack Your Portfolio Online Build projects that enhance your personal portfolios or assist individuals in improving their own profiles. Non-monetary prizes Winners announced 285 participants
TOHacks 2022 Online Based in Toronto, Canada, TOHacks aims to connect talented youth entrepreneurs, leaders and innovators with the top industry professionals in rising fields of new technologies. $CAD 9,225 in prizes Winners announced 417 participants
