Easy: Foam isn't standalone, Trilium never heard of. Joplin seems garbage, and Logseq is a walking data stability bug. Roam and Obsidian are the best options,

Easy: Foam isn't standalone, Trilium never heard of. Joplin seems garbage, and Logseq is a walking data stability bug. Roam and Obsidian are the best options, I chose Obsidian because back in the day they had a mobile app and Roam didn't. Now Roam has one too.