What are some alternatives?
When comparing Locki and Dictionary.com, you can also consider the following products
Translatr - Translate words into multiple languages at once
GoldenDict - The program has the following features: Use of WebKit for an accurate articles' representation, complete with all formatting, colors, images and links.
Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.
Lingoes - Lingoes is an easy and intuitive dictionary and text translation software.
Polyglot - Prep your product for internationalisation π
Microsoft Translator - Microsoft Translator is your door to a wider world.