It's a lightwight, open-source dictionary software with a open dict format that you can make your own dictionary, being a cross platform software, supproting linux, unix and windows
GoldenDict++: Optimizations for faster dictionary loading and searching, even with large dictionary collections. OCR integration for text recognition, enhanced media playback, and more robust full-text search capabilities. Using Qt WebEngine or WebKit as HTML rendering engine.
A feature-rich dictionary lookup program, supporting multiple dictionary formats (StarDict/Babylon/Lingvo/Dictd) and online dictionaries, featuring perfect article rendering with the complete markup, illustrations and other content retained, and allowing you to type in words without any accents or correct case.
The most comprehensive universal, multilingual, and monolingual dictionaries—perfect for e-readers, phones, tablets, and desktop apps. Powered by Wiktionary.