It is closed source. I haven seen any partial source code anywhere either. Licensing is very generous: free forever for personal use, you only need to get a license at 50$ per year if you are a commercial user. There is also a 2 week trial for commercial users.
Of course, besides legality, there is nothing stopping you from using obsidian for commercial things, they don’t do any checking for that stuff.
It is closed source. I haven seen any partial source code anywhere either. Licensing is very generous: free forever for personal use, you only need to get a license at 50$ per year if you are a commercial user. There is also a 2 week trial for commercial users.
Of course, besides legality, there is nothing stopping you from using obsidian for commercial things, they don’t do any checking for that stuff.