Wikipedia

Wikipedia is a free, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Wikipedia has 17 million articles (3.5 million in English)...

Free Open Source Web Android iPhone Blackberry Android Tablet ... iPad Kindle Fire MediaWiki

1335 Like

Google Translate

Google Translate is a free online translation service that can instantly translate text and web pages between over 50 languages. The iPhone and Android versions...

Free Web Android iPhone S60 Blackberry ... Chrome OS Android Tablet iPad Google Drive - Docs

583 Like

GoldenDict

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...

Freemium Open Source Mac Windows Linux Android

163 Like

Dictionary.com

The free Dictionary.com app delivers content from Dictionary.com and Thesaurus.com, including nearly a million words and definitions and 90,000 synonyms and antonyms. No...

Free Web Android iPhone Windows Phone

70 Like

Wiktionary

Wiktionary is a multilingual, web-based project to create a free content dictionary, available in 158 languages. Unlike standard dictionaries, it is written...

Free Open Source Web Android

37 Like

Lingoes

Lingoes is an easy and intuitive dictionary and text translation software. It offers lookup dictionaries, full text translation, capture word on screen, translate...

• Discontinued The program is no longer updated. Last version, v2.9.2, released in August 2014, can be still downloaded from the official website.

Free Windows

100 Like

Tatoeba

At its core, Tatoeba is a large database of example sentences translated into several languages. Search example sentences translated into many languages. Add and...

Free Open Source Web

33 Like

Google Dictionary

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...

Free Chrome OS Chrome

86 Like

Linguee

Linguee is a new kind of dictionary app for French-English, Spanish-English and other language pairs. You will find reliable translations in the shortest time, even when...

Free Web Android iPhone iPad Apple Watch

21 Like

WordReference

WordReference is a free online Oxford dictionaries for Spanish, French, Italian, German and more. Conjugations, audio pronunciations and forums for your questions. ...

Freemium Web Android iPhone

40 Like

Infogalactic

Infogalactic is an Internet-based, free-content encyclopedia project that is a dynamic fork of Wikipedia and improves upon the online encyclopedia's model of openly...

• Warning The articles are not accurate, out of date and politically spun.

Free Web

17 Like

Microsoft Translator

Microsoft Translator is your door to a wider world. Translator apps are specially designed for all of your favorite devices to translate anything, anywhere, and anytime...

Free Windows Android iPhone Windows S Android Tablet ... Windows Phone iPad Apple Watch Microsoft Edge Microsoft Office Powerpoint Android Wear Kindle Fire

15 Like

Merriam-Webster

Free online dictionary, thesaurus, spanish-english and medical dictionaries, audio pronunciations, Word of the Day, word games, and many more high-quality...

Free Web Android iPhone iPad

24 Like

StarDict

StarDict is a Cross-Platform and international dictionary Software. It has powerful features such as "Glob-style pattern matching", "Scan selection...

• Discontinued The project seems to be no longer updated. Last version, 3.0.6, released in January 2015, but it can be still downloaded from SourceForge.

Free Open Source Mac Windows Linux Web AmigaOS

35 Like

S3.Google Translator

Translation of selected text, introduced by a phrase or a fully web-site from any language to any language.

Free Mac Windows Linux Web Android ... Chrome Firefox

12 Like