FOSDEM is a free event for software developers to meet, share ideas and collaborate. Every year, thousands of developers of free and open source software from all over the world gather at the event in Brussels. This short presentation looks at some of the talks from the conference selected and summarised by Takayuki Imada. Takauki Imada is a researcher at Hitachi Ltd. based in Japan. He has spent five years engaged in server virtualization hypervisor work at Hitachi, and is interested in Unikernel technology and IoT-related computing frameworks (Fog/edge computing).