Name Website Begin End City Country ISO CFP
Voxxed Days ZH https://voxxeddays.com/zurich/ March 10 March 10 Zürich Switzerland ch Nov 19, 2019
JavaLand https://javaland.eu March 17 March 20 Brühl bei Köln Germany de  
Devoxx FR https://www.devoxx.fr/ April 15 April 17 Paris France fr January 16
J On The Beach https://jonthebeach.com/ May 13 May 15 Malaga Spain es February 01
Devoxx UK https://www.devoxx.co.uk/ May 13 May 15 London England gb November 2019
Voxxed Days Milan https://voxxeddays.com/milan/ May 16 Milan Italy it ?  
JPrime https://jprime.io/ May 27 May 28 Sofia Bulgaria bg February 15
JNation https://2020.jnation.pt June 2 June 3 Coimbra Portugal pt February 20, 2020
Devoxx PL http://devoxx.pl/ June 17 June 19 Krakow Poland pl ?
JavaZone https://javazone.no September 9 September 10 Oslo Norway no ?
SpringOne https://springoneplatform.io September 21 September 24 Seattle US us ?
JCON https://jcon.one/en/ ? ? Dusseldorf Germany de ?
JAX https://jax.de/ ? ? Mainz Germany de  
Riga Dev Days https://rigadevdays.lv/ ? ? Riga Latvia lv ?
J-Spring https://jspring.nl/ ? ? Utrecht Netherlands nl  
JVM Con https://www.jvm-con.de ? ? Köln Germany de  
DevTernity https://devternity.com ? ? Riga Latvia lv