Obsidian is Open Source? I switched to Logseq because it wasnt open source. A friend wasnt even allowed to install it on his Work PC becauze Obsidian wants 50€ per Year when not used at home privately.
It is absolutely not open source, it is source available. You can view all the JavaScript source from inside the app in the development console. But that doesn't mean that you have license to reuse the source, or the app for that matter.