This is an alphabetical list of websites where you can learn a language online. Some sites provide content; others community; and a number have both. Some sites focus on learning one specific language, others cover a number of languages. Thanks to all those who have contributed to this list. 

1. 1-language.com - One-stop resource site for learning English and other languages

2. 200words-a-day - If you find learning new vocabulary a time-consuming grind, try boosting it with the 200 Words a Day! language learning programme: Spanish, French, German and Welsh

3. ABA English - Learn English

4. Abair Leatl - the materials are intended as a learning aid for people of any age group who wish to improve their speaking skill in Gaelige

5. Alibela - Language courses for free

6. Arabic2000.com - Online Arabic School

7. ArabiCollege - teach the Arabic Language Online 24/7

8. Arab Academy - the fastest way to learn Arabic

9. Arabic Pod - Learn Arabic with Arabic Pod

10. Autodidacy - Beginners Latin, Beginners Mandarin

11. Babbel - Learn languages online

12. bab.la - you can look up millions of translations in our dictionaries, test your language skills with thousands of quizzes, learn vocabulary with thousands of flashcard sets or find the right phrases for your birthday card in 14 languages

13. BBC Languages - Audio and video courses for beginners and intermediates in 36 languages

14. BBC Wales: Learn Welsh - Lots of resources to learn or improve your Welsh

15. BeeOasis - Big things in basic English

16. Blogs Exchange (BE) - is the first community of blogs dedicated to the learning and interchange of languages (Spanish and English so far).

17. book2 - Learn languages online for free with 100 audio (mp3) files!

18. Business Spanish - teaches you how to speak and write business and conversational Spanish by listening and repeating examples and simplified grammar (FREE)rules

19. Busuu - the language learning community

20. byki - a powerful and personalized language-learning system. It locks foreign language words and phrases into your memory so that you can recall them perfectly and remember them forever.

21. CALES (Centre for Arabic Language and Eastern Studies) - teaches the Arabic language online through skype

22. CALL4ALL - exists to help anyone improve their language learning or teaching in English and most other major languages by the use of modern technology.

23. Capturator - offers online products and services for language learning.

24. Chinese Course - Learn Chinese online with the Flashcard system

25. ChinesePod - Learn Mandarin with free daily MP3 podcast

26. ChineseTeachers.com -  improve spoken Chinese with trained, native Chinese teachers 24/7, no booking

27. Chinese-Tools.com - Learn Mandarin Chinese quickly and easily!

28. ChineseVoice.com - Learn Chinese online with Beijing's best teachers

29. Clip Class' - learn French with videos: Free online activities: pronunciation (video tutorials), discovering grammar items, interviews...

30. Clip Class' Moodle Courses - French courses with teachers and audio-chat sessions

31. Collocation of the Week - for advanced learners of English

32. Conversation Exchange -  three types of language exchange: face-to-face conversation; correspondence; text and voice chat

33. DailyFrenchPod - Learn French now

34. Danish Here and Now - a free online course for Danish for Beginners.

35. Dave's ESL Cafe - a community site with job boards for teachers as well as forums for students and printable lessons/ worksheets

36. DeutschLern - Deutsch als Fremdsprache

37. Digital Dialects - free to use interactive games for learning languages and links to study resources

38. Easy Portuguese - Learn Portuguese

39. eduFire - live video language learning

40. eLanguageSchool.net - the largest website for learning multiple languages on the Internet

41. ELLA - online language learning software with interactive courses in 5 languages: English, French, German, Spanish and Dutch

42. elovivo - learn a new language, find language exchange partners, contribute to your language

43. English Baby -  social network site dedicated to teaching english providing lessons, videos, and collaboration.

44. EnglishCafe - the "perfect environment in which to encourage, practice and perfect your English language and world culture skills"

45. English Flashcards - flashcards to learn a number of different languages

46. English Gateway -Online vocabulary lessons (with audio) for intermediate and advanced ESL learners. Exercises on idioms, phrasal verbs and collocations. Student/teacher blog and worksheets.

47. English Harbour - Learn English with top bloggers at  Vantage Point

48. English Page - free online English lessons and ESL//EFL resources

49. English Portal Community - Talk and Learn - Chatting with people from around the world will quickly develop your conversational skills

50. English Speak - a free and award winning system for learning to speak English

51. EnglishTalk.info - This site is aimed at adult students learning English as their second language (ESL) or English as a Foreign Language (EFL).

52. English Town Online - Learn to speak English

53. English Tube - with vids from the major video services like YouTube, Flickr, Blip, Vimeo, Veoh, Metacafe…

54. engoi - Free online language instruction

55. ESLPod - English as a Second Language Podcast

56. Eurocosm - Active Language Lab has language modules

57. Exam English - Free practice tests for learners of English

58. Forvo - all the words in the world pronounced

59. Free language - Social foreign language learning web 2.0 style

60. French Flash Cards - Learn German online with the Flashcard System.

61. FrenchOhLala - releases a new French lesson everyday. 10 minutes of French, brought to you by French teachers. Listen to free daily MP3 podcast lessons and download Lesson PDFs (Transcript, English translation,

62. funkyRussian - get the gist of Russian

63. Gapfillers - Language on the go - 'bite size' practice everyday and access to archives of grammar, listening and reading - plus much much more

64. German Flash Cards - Learn German online with the Flashcard System

65. Grasp Chinese - learn Chinese online

66. Gulf Arabic- the dialect of Arabic native to the Arab nationals of the Gulf countries

56. GymGlish - Personalised English lessons via the Internet

57. How to learn any language - This website is made for people who love languages.

58. Huitalk - is a community of people learning languages and looking for a language exchange

59. Icelandic Online - a freecourse provided by Háskóli Íslands (University of Iceland)

60. ilovelanguages - catalogue of language-related Internet resource

61. Internet Polyglot - free language lessons online

62. Italian Flash Cards - Learning Italian online with the Flashcard System

63. Indo European Languages Tutorials - for anyone looking for free language resources in many of the Indo-European languages. Currently, there are 15 language tutorials available

64. InstantSpeak Chinese - an award winning new system designed by language experts to learn Chinese

65. italki - Everything you need to learn a language

66. JaponesePod101 - The fastest, easiest and most fun way to learn Japonese

67. Kan du tale dansk - Danish for foreigners

68. Kan Talk - makes it easy and fun to practice spoken English

69. Lang-8 - Language exchange SNS

70. LangLearner - An interactive language learning platform

71. Language 101 - Spanish, French, Russian or German online using movie clips, songs, and lessons.

72. Language Links - Travelling the world from your desktop

73. Languages Online - French, German, Italian and Spanish

74. langoLab - Language Immersion Through Online Video and Text

75. Learn a Language on YouTube

76. Learn Arabic Online - for Writing, Listening, Grammar, Counting, Small Phrases and Exercises

77. LearnEnglish - is a portal that links to all of our websites for teachers and learners of English (from the British Council)

78. Learn English - site is for elementary and intermediate learners of English.
    You can study grammar or vocabulary topics and try one of the 400 exercises and language games.

79. Learn English Online - for over 10 years Learn English has been the free and independent web site for EFL/ESL learners and teachers.

80. Learn French by Podcast - audio podcasts for learners of French as a foreign language

81. Learn Greek - teaches the modern Greek language online.

82. Learn Greek Online - the most complete site for learning Greel

83. Learn Hebrew - free Hebrew vocabulary website offering 46 topics in over 1700 Hebrew words and phrases.

84. Learn Hebrew Online - with Israel's best teachers

85. Learn Indian languages - Learn to speak Indian languages in English, Bengali, Gujarait, Hindi, etc

86. Learn Italian - Learn Italian guide, all about how to learn italian and how to speak italian.

87. Learning Portuguese - Russell Walker shares his discoveries and assist others in learning languages, and of course Portuguese in particular.

88. Learn Spanish Online - free collections of vocabulary lists and grammar lessons.

89. LearningThai.com - Learning Thai the easy way

90. LearnItalianPod.com - Learn Italian with free podcasts

91. learnitlists - Language learning by learning lists of vocab

92. Learn Some Greek - Learn the Greek language and a bit of the language

93. lernu - a multilingual website which aims to inform internet users about Esperanto and help them to learn it, easily and free of charge.

94. Lingofriends - language exchange

95. Lingorilla - the "first global video community for learning languages"

96. LingoZ - Definitions and translations in 8 languages

97. Linkua - Learn with a language tutor

98. Listen2Russian - for people who want to achieve a basic understanding of the Russian language.

99. LiveMocha - The social way to learn a language

100. London Speaks French - a language agency based in London and dedicated to French tuition and French lessons in London and anywhere PC to PC

101. Loquella - Learn without borders

102. Macmillan Business English Online - offers a wealth of free additional English Language Teaching resources to add to your Business English lesson

103. Madinah Arabic - Free Arabic course

104. Mango - Mango is designed to equip you with conversational abilities from the very start.

105. Maria Oliveira's Language Learning - Learn Portuguese for free

106. Master Russian - gives you the help you need to master Russian grammar, learn new vocabulary, practice in speaking and reading Russian, and learn fascinating facts about Russian culture and people.

107. Medlock Method - learn Chinese with the Medlock method

108. Memrise - learn a language

109. Milingua - Learn Hebrew wherever you are, whenever you want

110. MinDynasty - private Mandarin lessons at your desktop

111. Mi vida loca - a fun and interactive course, which is available for free. It draws you into a web of intrigue dealing with real natives and you can't help but learn Spanish!

112. Mixxer - a language exchange community for everyone

113. MSKEnglish - Learning English online with live English classes

114. My German Class - Mini-courses and video podcasts

115. My Happy Planet - Learn a language, make friends, have fun

116. My Language Exchange - Find a partner at the online community and practice your second language with a native speaker who is learning your language

117. Myngle - The new way to learn languages

118. MyRussian.org - Free Russian lessons

119. Netdansk - a virtual school that offers Danish language tuition for persons with higher education.

120. Nihongo o Narau - This site is dedicated to teaching Japanese to speakers of English.

116. Online English Teacher - Commercial Online English Teacher site using Skype and other learning technologies to teach English online

117. Online Japanese Language and Culture Resource Community - Since 1996, Japanese-Online.com has been providing free learning services to people who wish to study the Japanese language

118. Online Spanish Course - Learn Spanish online with the Flashcard system

119. OpenLearn: modern language resources from the Open University

120. Palabea - the international platform for language learning

121. Paris by Pod - learn French, live from Paris!

122. PhraseBase - Conversational Foreign Language Learning Social Network

123. Popling - Learn French, German, Italian, Indonesian, Japanese Portuguese, Spanish without studying

124. Populearn - Learn German online with free German language lessons

125. Prime Language Services  - specializes in Online Russian Teaching / Tutoring, where you communicate with a Certified Native Russian Teacher live via IM / webcam. First Trial Lesson is offered for free!

126. Radio Lingua Network - language-learning which fits your lifestyle

127. Rosetta Stone - Learn naturally, engage interactively, speak confidently and best of all — have fun

128. RusssianLessons.net - Learn Russian for free

129. Russian-Plus - Online video and audio Russian language lessons, podcasts and grammar

130. Russian Video Blog - It includes a free video lesson series for learning to speak Russian, as well as free video lessons that teach how to read Russian.  

131. Sanbit - free effective language learning

132. Saynihao.org - the community for Chinese language learners and people interested in China

133. Sclipo - Social learning network

134. Shared Talk - Your language exchange network

135. Sherton English - English in 52 weeks (for Spanish speakers)

136. Sonia-Portuguese.com - As a Brazilian native speaker and teacher, Sonia focuses on Brazilian Portuguese.

137. SoZiety - Language exchange via Skype

138. Spanish Pod - Learn Spanish on your terms with mobile podcasts and a global community of Spanish learners.

139. Spanish Unlimited - The right place to Learn Spanish & meet new friends

140. Spanish Word of the Day A daily email with new vocabulary

141. Speak - free interactive language lessons by econtrader

142. Speak7 - Learn Arabic

143. SpeakingCam - a social network for language learners and tutors, brings you one-on-one tutoring opportunities with native speakers in a social way

144. Splendid Speaking - Podcasts for advanced learners of English who want to develop their top-level speaking skills and communication strategies

145. STELLA - Online language learning

146. talkConMigo - provides a central location where people of all ages can find others looking to learn, or improve a second language.

147. Talk Irish - free Irish Podcast and Flashcard Service

148. The Japanese Friend Exchange - the place to find Japanese friends, penpals, language exchange, relationships

149. TOEFL iBT Online Practice - Realistic and best quality TOEFL iBT practice tests and learning resources delivered online

150. To Learn Arabic - Arabic for non-native speakers

151. The Rich Morning Show - Cartoon English lessons for kids and adults

152. top language community - the definitive language community site for bilingual and multilingual people living in London, UK, and Ireland.

153. TravLang - Foreign languages for travellers

154. UniLang Language Community - offers many language resources for a wide variety of languages.

155. Verbaplanet - the award winning new way to learn how to speak a foreign language.

156. Vocab Fish - vocabulary training exercise for over 2000 basic words in any pairing of English, French, Spanish, German, Polish, Arabic, Chinese, and Vietnamese

157. Vores fćlles sprog  - Danish grammar explained in English and other languages

158. What does that mean? - English idioms, catchphases, buzz words and slang

159. Wijng - grammar, reading and listening lessons to learn English

160. Word Drill - Select a topic, a word will appear, type your translation

161. World Champ - The language learning network

162. World Languages Podcasting - Listen to conversations about language and culture in Australia in several different languages.

163. xlingo - Language exchange community where you can find partners from around the world to practice and improve your language skills.

164. Yappr - where millions of English learners throughout the world are improving their English by meeting and helping each other

Other lists

• Free language learning resources, UniversitiesandColleges.org