Notepack is created using Java and JavaFX as gui library. As long it's possible everything is created in native java avoiding extrenal dependencies but sometimes some libraries are necessary. All dependencies are open sources and could be used in project like Notepack

• org.json - to store local configuration in JSON
• com.vladsch.flexmark - to render Markdown files
• net.lingala.zip4j - to save files as zip with password protected
• org.apache.jackrabbit - WebDav support