React SPA application for mail tracking

React SPA app for tracking mailing within Ukraine.
As an API, the WSDL Ukrpost service is used for tracking shipping.

Client-side: react, react-router, redux, axios, materializecss.
Server-side: nodejs, express, passport, oath2, jwt, mongodb.

The advantages:
Tracking unlimited number of track numbers;
- local registration and authorization in the application, oauth2 authorization using facebook, google+, twitter api;
- Automatic storage of all data in localstorage;
transfer of data on track numbers to/from the account;
- update the data of all stored track numbers by one action;
Simple and pleasant interface :)