Plugin manager allows you to look through all available plugins and quickly install them, as well as submit your own.
To access the plugin manager, go to the Plugins tab of the editor and click the 
Plugin Manager icon.
The Plugin Manager window allows you to access two tabs, My plugins and Marketplace.
Plugins can be grouped by categories via the Categories drop-down list in the top left corner of the window.
My plugins
On the My plugins tab you can look through all installed plugins, remove them if necessary, and install new ones manually.
- To remove a plugin, find it in the list of installed plugins or use the Search plugins... field in the top right corner, and click the Remove button below.
- To install a plugin manually, click the Install plugin manually link in the top right corner of the window. You will be redirected to the "Adding plugins" page.
Marketplace
On the Marketplace tab you can look through all plugins available for installation as well as manage the already installed ones.
- To install a plugin, find the required one in the list and click the Install button below. The plugin will be installed automatically and you can access it on the Plugins tab.
- To remove a plugin, find it in the list or use the Search plugins... field in the top right corner, and click the Remove button below.
- To submit your own plugin, click the Submit your own plugin link in the top right corner of the window. You will be redirected to the corresponding GitHub page.