Flutter Puzzle Hack Online Push your creativity to its limits by reimagining this classic puzzle! $51,046 in prizes Winners announced 5481 participants
Trainhack 2018 Norrmalm, Sweden Create new and innovative ways to improve public transit. $1,000 in prizes Oct 25 – 27, 2018 38 participants
Junction 2017 Europe's largest hackathon - Building projects defining the next 100 years $211,000 in prizes Nov 24 – 26, 2017 913 participants