Database for electron app

In Electron app, you can use the database of your choice :

https://github.com/louischatriot/nedb

https://github.com/pouchdb/pouchdb

http://lokijs.org

https://github.com/kripken/sql.js

https://github.com/pubkey/rxdb

https://github.com/amark/gun

https://github.com/typicode/lowdb

https://github.com/google/leveldb

According to your purpose, a single JSON file can be used as a database.