This is a SharePoint Framework webpart where site collection administrator can give permission to any group within the site using one click. No need to go each group page and add users for that group. You can easily show all groups in this webpart and add users from the people picker and check the checkbox to add user for the specific group. Also you can easily remove users from the group by uncheck the checkbox.
This is a webpart for Lists Custom View. You can select Column from the webpart property which you want to display. You can add Edit/Delete options based on webpart property selection. There is an options for pagination for list items and you can set pagination size.
This is Google Maps webpart. From the webpart settings you can set your Google Maps API key, latitude, longitude and height.
This is a responsive image slider webpart. You can add image slider using this SharePoint Framework Webpart. From the webpart settings you can set your library internal name, you can start or stop autoplay, you can set autoplay timeout and number of images to display for the small, medium and large devices. This image slider will automatically retrieve all the images from the library.