StarDict-4
An ebook reader application supporting PDF, DjVu, EPUB, FB2, etc.
stardictd server.
offline dictionary (word translator written in Qt5/KF5 or Qt6/KF6)
The free computer aided translation (CAT) tool for professionals
Kindle clippings and Kindle Vocabulary Builder manager
Armenian to Russian dictionary and spellchecker
Free English to Chinese Dictionary Database
Learn how to speak in a foreign language.
Dzongkha language dictionaries