Client Side Database: LowDB - KentMercier/LMC-electron-utilities GitHub Wiki
This application needs some type of client-side database. Major choices are MySQL, SQLLite, MongoDb. See a comparison of electron databases.
NeDB (48k weekly downloads) would seem like the best choice. However, it has not been updated in over 5 years.
We will try Lowdb. 266K weekly downloads.