I did not know Gunnar personally, but I interacted with him online on multiple occasions in Ask Ubuntu and GitHub. He was always very kind and helpful in answering my questions.
Gunnar played an important role in packaging and maintaining the IBus Avro package for writing Bangla (my native language) script in GNU/Linux. He also helped in the development of writing tools for many other languages.
I will always remember him when I would write my native script in a computer.
Jag kände dig inte så mycket privat, men jag jobbade med dig i Öppen Källkods sammanhang, trots att vi inte alltid var överens, gjorde du ett väldigt bra jobb som ledare för den svenska översättningen i Ubuntu Linux gemenskapen