Flutter Puzzle Hack Online Push your creativity to its limits by reimagining this classic puzzle! $51,046 in prizes Winners announced 5481 participants
2020 Facebook Developer Circles Community Challenge Online Create innovative and immersive tutorials that help fellow developers build with Facebook technologies $133,000 in prizes Winners announced 2361 participants
KadHack2018 Kaduna, Nigeria Developing Solutions for Sustainable Social Development $8,938 in prizes Nov 29, 2018 277 participants