I had been using Zim on my Linux boxes for years. Then, when I went to the dark side and purchased a MacBook for work in the field, I became enamoured with its Notes app. Being able to store graphics was an important feature. However, I soon felt limited. Since I didn't fall head-first into the entire Apple eco system, I was unable to sync everything between my Linux box, the Apfel and the Droid Fone. But then I discovered Joplin! After doing some additional fiddling with my self-hosted Nextcloud server setup, I was eventually able to experience my Holy Grail of syncing between the various devices. Haven't looked back since. Although it scared me at first,I don't even mind writing in markdown any longer! 
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