Build, Ship, Shape: Amazon Developer Hackathon Online Build across Amazon Devices and shape what's next. $138,000 in prizes Winners TBD 35460 participants
Google Chrome Built-in AI Challenge 2025 Online Innovate with Intelligence: Build the Future of the Web with Gemini Nano and Chrome AI. $70,000 in prizes Winners announced 14085 participants
AWS AI Agent Global Hackathon Online Agents of change - building tomorrows AI solution today $45,000 in prizes Winners announced 9355 participants
OpenAI Open Model Hackathon Online Build with gpt-oss, OpenAI’s open weight reasoning models. $30,000 in prizes Winners announced 8633 participants
Catalyst 2025: UI/UX Designathon Online Catalyst is a virtual, UI/UX designathon that aims to challenge participants to explore how design, innovation, and community interact. $748 in prizes Winners announced 124 participants
Microsoft AI Classroom Hackathon Online A challenge for students to reimagine the future of education using Azure AI and Azure Databases $12,000 in prizes Winners announced 3670 participants
WHACK 2023 Wellesley, MA, USA At WHACK, you can have fun, be creative, build, break, learn, and ask questions in a space that celebrates diversity. $50 in prizes Nov 4 – 5, 2023 74 participants
API World + AI DevWorld Hackathon 2023 Santa Clara, CA, USA The World's Largest API + AI Integration Hackathon $20,538 in prizes Oct 9 – 26, 2023 761 participants
HackMIT 2023 Cambridge, MA, USA 1000 hackers, $10k+ prizes, 24 hours. Get ready to hack, build, and innovate at a hackathon like no other. September 16-17, 2023 at MIT. $10,000 in prizes Sep 16 – 17, 2023 1071 participants
HackPrinceton Spring 2023 Princeton, NJ, USA Collaborate and build out brilliant, innovative, and impactful ideas $6,200 in prizes Mar 31 – Apr 2, 2023 225 participants
ELC Accessible Beauty Hackathon Online Ideate or develop an inclusive technology solution that enhances accessibility in the beauty industry and/or a consumers beauty experience $61,500 in prizes Winners announced 2288 participants
Fantom Hackathon Q1 2023 Online Create innovative, scalable, and functional apps on Fantom. $50,000 in prizes Winners announced 1241 participants
ARCore Geospatial API Challenge Online Make the world your canvas with the ARCore Geospatial API! $50,000 in prizes Winners announced 1080 participants
ZappARthon Online Create an AR experience using ZapWorks Universal AR to tell a story or paint a picture of what the future will look like to you. $15,000 in prizes Winners announced 432 participants
XDC DeFi Hackathon Online Build it on XDC. Build your dream DeFi project on XDC Network $61,250 in prizes Winners announced 471 participants
NEAR MetaBUILD III Hackathon Online Our world has changed. Meet new challenges in a way a true buidler would do – hack your way to the top. Build the next big thing on NEAR. $940,000 in prizes Winners announced 3054 participants
AWS Data Exchange for APIs Challenge Online Use APIs on AWS Data Exchange to build innovative web and mobile applications. $35,000 in prizes Winners announced 725 participants
BostonHacks 2022 Boston, MA, USA Come hack with us! $6,450 in prizes Nov 12 – 13, 2022 170 participants
Rice Design-a-thon: Level Up! Online Join us for Rice Design's first-ever, nation-wide designathon! All experience levels are welcome! $1,600 in prizes Winners announced 159 participants