Share some classes in your Stylesheet if you can among different news pages.
You can use the same technique for overview pages.
Make sure you don't break the php code in the subtemplates.
RiteCMS is based on Sqlite database, a lightweight, fast database engine. There are many free/paid softwares that you can use if you ever want to manage your database.
The above are not necessarily the best softwares out there. It is our personal preference. We also have used the following and still use them from time to time.
Do you have any other Sqlite tools that you would recommend to fellow RiteCMS users? Share it below.