MatCalc for Lineage 2 is an application that contains a database of materials required for making items in Lineage 2, and the user's inventory contents. It show the user what materials he/she needs to make items.
EditDB is a database front-end wriiten in Java (JDBC used) for editing content of databases. Various details about database structure can be viewed. In edit mode, special help is provided to the user when s/he edits foreign or private keys.
This application is mainly a Personal Media Management system. It allows a user to catalogue its physical media (create categories, items....). Later he can "search" for items, export them, etc.