This project is created using AngularJS which is getting older. Hence Its getting hard to maintain.
I am working on a latest open source ecommerce project using Svelte/Sapper https://github.com/itswadesh/sapper-ecommerce#readme which is super fast and easy to get started

ShopNX – Shopping Cart with AngularJS (eCommerce web application)

A single page Shopping Cart web applications with many necessary features of an ecommerce application.

Installation Instructions

Requirements

We need Node https://nodejs.org/en/ (To create web server) + Git https://git-scm.com/ (Version Control System) + MongoDB https://www.mongodb.com/ (Database) + Python 2.7 https://www.python.org/downloads/release/python-2710/
Go ahead download and install them
Install Visual C++ Build Tools using the Default Install option.
Run the following commands (Required Once) [Note: Second command is required only for Windows]
npm config set python python2.7
npm config set msvs_version 2015
We need to start an instance of MongoDB. In my case it was sitting @
C:Program FilesMongoDBServer3.0binmongod.exe

Install

Run the following commands and the application will start automatically

npm i -g grunt-cli (This creates and runs javascript repetative tasks )
npm i -g bower ( A frontend package manager for web applications)
npm i -g –production windows-build-tools (Only for Windows)
npm i (Install all nodejs dependencies)
bower i (Installs bower components)
grunt serve

Features

Store Front features

Single page web app (SPA) created using AngularJS, NodeJS, Express, MongoDB (MEAN)
Fastest shop experience
Fast Product Search, Filter with AJAX
Price slider and multiple brand selector
Faster Add to Cart and Product Details
Checkout with Paypal Integration
Minimal User Registration process
Order history and Password Management
Facility for Multi level Category
Mobile optimized with Bootstrap
Instant updates for any changes made across all clients with SocketIO implementation
Loads more products on scroll (No paging required)

Store Back Office

Products, Categories, Brand, Order Management from admin panel with easy directives
Manage Order and Change Status from admin panel
Facility for Multiple product variants (size, color, price, image)
User roles – Administrator, User, Guest
SEO friendly URLs for each page
Secure and quality code – Takes care all single page web app standards