Customize Oracle Client to show favourite schemas

Customize SQL Developer to show favourite schemas
Right Click Other Users -> Apply Filter

Select your favourite schema e.g here I have selected "DBSMP".

To add more favourite schema select "+" sign and add schemas, e.g here I have added another schema "SCOTT". Click ok to close the filter. 
Now it showing only your filtered schemas. 

Customize Toad to show favourite schemas
To show only the users that own objects, right click to Schema Drop down -> Users To Load -> Load only users that own objects
To Show your favourite schemas Richt cleick to Schema drop down-> Customize

Select your favourite schemas and Click ">" 

In that exaple I have selected "RMAN" and "SCOTT" to make these my favourite schemas. Click "OK". 
Now you can see your Favourite Schemas in Top.