Calendar Tags AI bcs. ossg cryptography drones event freebsd funding golang julia languages machine learning oauth Open data open hardware open source oshug perl risc os risc-v security unix workshop Agenda Agenda Day Month April 2021 Apr 2021 There are no upcoming events to display at this time. April 2021 Apr 2021 Subscribe to filtered calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML