Pros:
1. Data is saved in SQlite. I am at 33k notes and it springs open instantaneously.
2. Notes can be arranged into arbitrarily deep tree. Single note can be placed into multiple places in the tree. (Think soft-links)
3. WYSIWYG support (CKEditor)
4. Tags, advanced scripting features
5. Other ususal wiki stuff like backlinks, note-map etc
Cons: 1. Electron.
2. Data is saved in SQlite, not plain text.