TikiFest Fosdem 2016

«FOSDEM is a free event that offers open source communities a place to meet, share ideas and collaborate.
It is renowned for being highly developer-oriented and brings together 5000+ geeks from all over the world.»
Jyhem has attended for 4 years in a row and confirms that it's huge, it's chaotic, it's fun, and well worth attending.
Most of everything is in english.