Line Up

SOHN, Faber,
Talib Kweli, Yves Tumor,
Woods of Birnam,
DāM FunK, Toresch
& many more…


From Vegan, to Sausages

We offer you just
all you need.
And a perfect Caffè.


Open Squares 

Our space for all
new ideas from NRW.


More than just fresh air

The Horse Race Course
Grafenberg is one of the most
beautiful Festival locations
you can imagine.


Room for Art

Students from the
KHM Cologne
present their work
all over the
festival ground.


Tune in

Our Spotify playlist with all so far confirmed artists performing live on the  Open Source Festival on July 13th 2019.


OSF+, the event series of the Open Source Festival as a supplement to the annual festival. Concerts, film screenings and club nights are on the agenda… More

Cardinal Sessions Showcase

Together with our partner of the Young Talent Stage sipgate we have considered something very special and invited Cardinal Sessions from Cologne to do a showcase! The focus here was on the sipgate Young Talent Stage, where every year newcomer bands from North Rhine-Westphalia prove their talent and ability. With 5 of the 8 winning […]


Open Squares

Hier sind die Open Squares. Hier ist dein Platz zum Präsentieren, Netzwerken und Synergien entdecken. Jetzt Bewerben!


So war’s beim OSF18

7000 x Danke? Seifenblasen statt Streifenwagen – hier geht’s zu den Pressreviews, Bildergalerien und Aftermovies…



Empty stomach does not dance well … This year we have for you a wide selection of culinary delights for the big and the little hungry.


Open Source Festival

Horse Race Course Düsseldorf