Tandem-Server Bochum - One of the oldest and most developed eTandem websites, organized and maintained by Brammerts Ruhr-Universität Bochum.

TANDEM® Fundazioa - A site dedicated to teacher-training, worldwide cultural exchanges, language materials and maintaining international institutional standards for Tandem use.

LiveMocha - An online language-learning community that offers both free and paid online language courses in thirty-five languages.

Palabea: The Speaking World - A social networking site for learning, teaching languages through multiple forms of video, audio and written media.

My Language Exchange - A social community that helps users find language partners through email, as well as text and chat rooms.

The Mixxer - Language Exchange Community for Everyone - A free educational website for language partnering and exchanges through Skype.

Teletandem Brasil: Foreign Languages for All - Partners Brazilian University Students studying various foreign languages with other students of Portuguese through both Windows Live Messenger and Skype.

SharedTalk - A free, language exchange network of partners who communicate via email as well as voice and text chat.

xLingo - A free network of language exchange partners who communicate through protected, internal Audio/Video enabled chatrooms, email systems and Skype.

Conversation Exchange- A free language exchange system through email correspondance in addition to text and voice chat.

LingoZone A free, language-learning site that offers English and Spanish fora as well as online dictionaries and translation services.

FluentFuture - A language-learning site that offers a free partnering service in addition to a pay-per-lesson system with rated teachers.

The Language Exchange - A language partnering site that establishes communication through email and Skype.

italki - A language learning and transaction community that offers free partnering services in addition to a pay-per-lesson system with a qualified language teacher.

Polyglot Club - A free, language exchange community that operates through multiple chat softwares such as Skype and Yahoo as well as language chat rooms.

Interpals Penpals - An online correspondance site that offers a penpal email service with a wide variety of foreign-language speakers.

SpeakMania - A free language partner site offering penpal email and Audio/Video chat.

Language For Exchange - A free language exchange community that establishes communication between partners to host each-other in their home-countries.

Tandem City - An official TANDEM site maintained by an independent network of language schools abroad that offers multiple tools for language exchange and learning.

soZiety - A language exchange platform that offers both free language-partnering and pay-per-lesson instruction.

LingoPass - A free language arbitrage site that coordinates schedules between language groups.

Zuiop - A free language exchange site that provides communication for actual language exchange meetings.

Busuu - A free language learning community with online language courses, grammar guides and partnered video chat for English, Spanish, Portuguese, Italian, German, Russian and French.

Allpenpals - A free language exchange site that offers penpal email between users around the world.

bebelyou- Babelyou is a free language learning portal with free online language video courses and more. You can find language partners and native speakers in 75 countries, you can form your own video chat rooms for language learning for up to 10 persons, search language schools, language courses or language trips worldwide and get to know foreign cultures and histories.