Apps similar to Eudic include GoldenDict, which is open source with a free version. Other options are GoldenDict-ng, Lingoes, StarDict and DictTango. You can choose from more than 10 Dictionaries like Eudic for Windows, Linux, Android, Mac and iPad.
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
Lingoes is an easy and intuitive dictionary and text translation software. It offers lookup dictionaries, full text translation, capture word on screen, translate selected text and pronunciation of words. Lingoes sits in the system tray and becomes ones pop-up dictionary and the.
Hong Kong
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:
Client/server software, human language dictionary databases, and tools supporting the DICT protocol (RFC 2229).
Youdao is a search engine released by Chinese internet leviathan, NetEase in 2007. It is the featured search engine of its parent company's web portal, 163.com, and lets users search for web pages, images, news, music, blogs, Chinese-to-English dictionary entries, and more.
China
Open-source iOS dictionary reader supports simultaneous multi-dictionary viewing with columns, grid, and list modes, pop-up lookups from any app, jump search within definitions, unlimited imports and groups, iCloud sync, curated dictionaries, and no ads or paid tiers.
Italy
EU