Languages & Translation

Anki
Damien Elmes(Free)
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Anki: An Alternative Way to Learn Languages
ProVoc
Arizona-software(Free)
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Easily repeat your vocabulary
GhostReader
Convenienceware(Trial version)
Download
Text to speech made easy
Learn Arabic Quick
Live Doodles(Free)
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Learning Basic Arabic Made Simple
Lexikon Widget
Mindrepanda(Free)
Download
Lexikon Widget: Free Swedish to English Translation Tool
VocMac
Ed Roth(Trial version)
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VocMac: Computer jargon dictionary at your fingertips
LocFactory Editor
Triplespin(Trial version)
Download
Comprehensive Localization Tool for Mac Users
Nisus Thesaurus
Nisus(Trial version)
Download
Comprehensive Thesaurus Tool for Mac Users