Wishing everyone a great time at HOA26 by Stratum 0 e.V. starting today in Pfadfinderheim Welfenhof in #Gifhorn, #Germany Find out more on https://foss.events/2026/07-21-hoa26.html Follow the official account: @HackenOpenAir Connect via official hashtag(s): #HOA26 #foss #floss #freesoftware #opensource #events #europe