Plugin with support for AngularJS apps

I'm looking for a way to develop a website that has multiple plugins. The website itself is basically just a container for plugins. My script:

The user registers with the application and is sent to the dashboard, where he sees all the applications available to him. The app is a small tool for a specific use case (like canceling an order or searching for a customer profile). When he clicks on the app, it opens in the main view of the page (the little app-independent navigator will always be visible so the user can change apps and quickly return to the dashboard).

Key features:

• The website consists of small independent plugins
• Available plugins are user dependent (e.g. admin has more plugins)
• Developing a standalone plugin would be beneficial.

The server will be written in C # whereas the client and all plugins must be written in JS, especially AngularJS. If anyone has done something like this before, or knows the libraries to figure it out, I would appreciate a hint in the right direction.