R. U. Hacking? Hackathon 2021 Online Learn. Create. Connect. £2,960 in prizes Winners announced 350 participants
SigmaHacks 3 - Presented by HPE Online An online hackathon to address the worst of global problems with the best of solutions. [Registration closed - please refer to description for more details] $78,048 in prizes Winners announced 539 participants
cegeka-exploration-days-2021 Hasselt, Belgium Development Non-monetary prizes May 10 – Jun 25, 2021 57 participants
health{hacks}: hackfrom{home} 2021 Orange County, CA, USA A global virtual healthcare innovation event aimed at creating innovative and interdisciplinary solutions to world's greatest medical challenges. $15,217 in prizes Jun 19 – 20, 2021 177 participants
Hydrangea Hacks Online Bay Area's largest hackathon for women and non-binary individuals $5,000 in prizes Winners announced 536 participants
Garden Hacks Online Build hacks for the nature enthusiasts in you! Non-monetary prizes Winners announced 255 participants
PitchTeen 2.0 Online Intersection of your entrepreneurial and technical skills. $37,010 in prizes Winners announced 97 participants
IoT & AI for Ecosystem Restoration & Multihazard Resilience Online Find impactful solutions to the key issues and problems in the ecosystem ₹ 125,000 in prizes Winners announced 89 participants
AlphaHacks 2021 Online Create projects that will live beyond the hackathon weekend. $CAD 94,727 in prizes Winners announced 413 participants
Surfs Up Hacks Online Surfs Up, Hackers! Summer is here and it's time for hacking! Non-monetary prizes Winners announced 302 participants
Hack Girl Summer 2.0 Online Calling all ladies and non-binary folx! Who is ready to get hacky in this heatwave? Non-monetary prizes Winners announced 191 participants
Hack the Earth 2021 Online Hack the Earth is an online hackathon for creating solutions to environmental issues with technology! $CAD 3,300 in prizes Winners announced 166 participants
Hack-cade Online Join us for a fun weekend of hacking and gaming! Non-monetary prizes Winners announced 281 participants
Mental Health Hacks Online Hack innovative solutions for your mental well-being Non-monetary prizes Winners announced 317 participants
HackExeter 2021 Online With help from Exeter’s Computing Club, participants in middle and high school will hone their hacking skills and make new friends as they put together an innovative project. $1,000 in prizes Winners announced 109 participants
Neighborhood Hacks Online Build hacks for small businesses and local communities this weekend! Non-monetary prizes Winners announced 273 participants
AbracadabraHacks Online Trying to escape for the weekend? Non-monetary prizes Winners announced 252 participants
The Girls in Tech 2021 Virtual Hackathon Online Join Girls in Tech for a Global Virtual Hackathon to Design Innovative IoT Solutions $23,500 in prizes Winners announced 247 participants
RU Hacks 2021: Digital Online RU Hacks is a student-run organization of Ryerson University, located in the heart of downtown Toronto (going virtual this year due to COVID-19!) $CAD 63,228 in prizes Winners announced 564 participants
Hack At Home II Online Time to party this weekend and celebrate 1 year of "Hosted By MLH" Hackathons! Non-monetary prizes Winners announced 255 participants
Equinox'21 Online Get inspired and innovate at Equinox! An arresting 36 hours of developing, collaboration and fun awaits you on 30th April. ₹ 69,455 in prizes Winners announced 671 participants
Hack-ccessible Online Build something awesome with Hack-ccessible! Non-monetary prizes Winners announced 238 participants