The Square Unboxed Hackathon Online Build apps for millions of businesses who use Square $60,000 in prizes Winners announced 439 participants
The Worthy Web App Challenge Online A Progress hack-for-good challenge designed to make the world a better place, one web app at a time. $40,000 in prizes Winners announced 1137 participants
DFINITYHacks Online Enabling elite technology mentors to create social change by building open source projects using Internet Computer resources. $20,000 in prizes Winners announced 100 participants
Hedera21 - Hello Tokenization Online The future will be tokenized. Come and build a fast, fair, and secure application that takes advantage of Hedera’s new Token Service (HTS). $137,500 in prizes Winners announced 600 participants
Philly Codefest 2020 Online Philly Codefest 2020, presented by American Water, will focus on generating real world tech innovations to support environmental sustainability efforts in the greater Philadelphia region. $23,000 in prizes Winners announced 253 participants
2019 Philly Codefest at Drexel University Philadelphia, PA, USA Philly Codefest 2019, Drexel's premier hackathon for social good, will be dedicated to generating real-world, scalable solutions to help end economic inequality in Philadelphia $13,200 in prizes May 4 – 5, 2019 299 participants
