GoldenDict vs Aard 2
When comparing GoldenDict vs Aard 2, the Slant community recommends GoldenDict for most people. In the question“What are the best offline dictionaries for Linux?” GoldenDict is ranked 2nd while Aard 2 is ranked 3rd. The most important reason people chose GoldenDict is:
Select a word and hold CTRL and press C twice and it displays a pop-up showing the definition.
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Pros
Pro Shortcut to lookup words
Select a word and hold CTRL and press C twice and it displays a pop-up showing the definition.
Pro Supports several popular dictionary file formats
Whereas Babylon and ABBYY Lingvo dictionary software support only one (native) format, and Stardict supports only two formats, GoldenDict offers support for many different formats.
Pro Full-text search in articles
The newest early access builds allow for full text search in articles.
Pro WebKit layout engine allows familiar webpage interface
The program's internal use of the WebKit layout engine allows displaying articles in a format similar to web pages in a web browser
Pro Available also as an Android app
Which can be found here.
Pro Can be searched with Albert (launcher), via a plugin
Pro Complete offline wikipedia database
Not only can some pages be downloaded for offline view, the whole Wikipedia can be stored on sdcard for offline access to all articles.
Cons
Con No text translation
can only translate single words/short phrases (idioms and such)
Con Wikipedia has to be manually installed
The app doesn't include the wikipedia database, it has to be downloaded and installed manually.