Alerts have no sound in XSplit

 

Check for Adobe Flash Player on your computer. For more information, see the page with instructions on how to embed widgets in XSplit (step 1).

 

The alerts are not displayed in OBS Studio

 

Check the order of the sources in the scene. The alert widget may simply be hidden by another source. The higher the source is in the list, the higher its priority.
You should also note that the widget won't display anything until an alert appears.

 

The fundraising widget is not displayed

 

The most likely cause is that you simply didn't create a goal. After entering the goal data, click "Create goal".
You should also check the order of the sources in the scene. The fundraising widget may simply be hidden by another source. The higher the source is in the list, the higher its priority.