Apps similar to Dictionary Universal include GoldenDict, which is open source with a free version. Other options are GoldenDict-ng, StarDict, SilverDict and MDict. You can choose from more than 10 Dictionaries like Dictionary Universal for Linux, Windows, Android, Mac and iPhone.
GoldenDict is an open-source dictionary program for PC computers that gives translations of words and phrases for different languages. It allows use of several popular dictionary file formats simultaneously.
Russia
China
This project is intended to be a modern, from-the-ground-up, maintainable alternative to GoldenDict(-ng), developed with Flask and React.
MDict is a multi-platform open dictionary. It doesn't have built-in datas but use database convert/built by other users. Features:
Thanks to Dicty, thousands of free dictionaries become available for use with your iPhone, iPod touch or iPad .
Client/server software, human language dictionary databases, and tools supporting the DICT protocol (RFC 2229).
ColorDict is a StarDict compatible universal dictionary for Android. You can search words and idioms in many dictionaries at once. You don't need an internet connection to search because StarDict dictionaries are stored in the sdcard.
South Korea
QStarDict is a free dictionary program written using Qt4. The user interface is similar to StarDict.
Italy
EU