ZDT is described as 'The ZDT (Zhongwen Development Tool) is an easy to use, open-source Mandarin Chinese flashcard application that can help you learn Chinese. It is written in Java using the Eclipse RCP platform' and is an app in the Education & Reference category. There are four alternatives to ZDT for Online / Web-based, Windows, Windows Phone and Facebook. The best alternative is MDBG English to Chinese dictionary, which is free. Other great apps like ZDT are YiXue Chinese Dictionary (Freemium), Pingrid (Free) and YellowBridge (Freemium).
This website offers more than just a dictionary, it offers various tools such as: flashcards, quizzes, text annotation, Chinese text input and more. The MDBG dictionary is used in many schools and universities all over the world, discover why!.