Dia Diagram Editor：Dia將多種需求以模組化來設計，如流程圖、網路圖、電路圖等。各模組之間的符號仍是可以通用的，並沒有限制。
Dia將多種需求以模組化來設計，如流程圖、網路圖、電路圖等。各模組之間的符號仍是可以通用的，並沒有限制。Dia可以畫多種示意圖，並且藉由XML可以新增多種圖形。Dia以XML格式（預設以gzip壓縮節省空間）載入及儲存流程圖。
Dia is an application for creating technical diagrams. Its interface and features are loosely patterned after the Windows program Visio. Features of Dia include multiple-page printing, export to many formats (EPS, SVG, CGM and PNG), and the ability to use custom shapes created by the user as simple XML descriptions. Dia is useful for drawing UML diagrams, network maps, and flowcharts.