When you need to keep track of notes with structured data, check out Logmedo, http://logmedo.com

For keeping track of your data that has some structure, check out Logmedo, a database/spreadsheet app to help you organize anything, http://logmedo.com

Also check out Logmedo, a modern database/spreadsheet app to help you organize anything - on the Web and Google Play store (https://logmedo.com)