SkyDic is described as 'powerful dictionary which is compatible with MDict data format' and is a Dictionary in the Education & Reference category. There are more than 25 alternatives to SkyDic for a variety of platforms, including Online / Web-based, Android, Linux, iPhone and Mac. The best alternative is GoldenDict, which is both free and Open Source. Other great apps like SkyDic are Wiktionary (Free, Open Source), WordReference (Freemium), dict.cc (Free) and Dictionary.com (Free).
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.
dict.cc is not only an online dictionary translating from English and German to 21 languages. Its an attempt to create a platform where users from all over the world can share their knowledge in the field of translations.
Google's dictionary extension on Google Chrome. With it, you can double-click any word to view its definition in a small pop-up bubble, or search the complete definition of any word or phrase using the address bar dictionary.
QuickDic offline multilingual translation dictionary.
* Multi-lingual dictionaries between many language pairs.
* FREE, ad-free, and open-source!
* Dictionaries stored on SD card (works offline!)
* Create your own dictionaries.
Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia encyclopedia, Wikipedia...