Estonia
13 - 15 March 2020
https://accelerateestonia.ee/en/hackathon/
Used guaana for proposals and Slack for the work.
Winning projects: http://garage48.org/blog/fighting-the-covid-19-pandemic-with-the-power-of-community
Article on Digital Society during COVID-19: https://e-estonia.com/digital-society-during-covid-19-lock-down/
Austria
27 - 29 March
Belgium
27 - 29 March 2020
https://www.hackthecrisis.be/en
Topics: healthcare, education, business continuity, wellbeing, logistics