Leatrix Plus is an efficient and modular addon which offers lots of quality of life improvements to enhance the default user interface. Translations for English, Chinese, Korean and Russian are included.
Click the minimap button or enter /ltp to open Leatrix Plus. Always read the change log when installing updates.
If you're looking for map enhancement, there is now a standalone addon called Leatrix Maps.
If you are looking for Leatrix Plus for Wow Classic, it's here.