Social Source Commons

Apertium is a machine translation platform, initially aimed at related-language pairs, but recently expanded to deal with more divergent language pairs (such as English-Catalan). The platform provides a language-independent machine translation engine, tools to manage the linguistic data necessary to build a machine translation system for a given language pair, and linguistic data for 21 language pairs, with more under development.

The platform also includes cell phone applications, blog plugins, web services and several graphical user interfaces. Apertium may translate plain text, web sites or documents without loss of formatting.

Bitext2tmx is a cross-platform Java application to align bitext (of a corresponding original text and its translation) and generate a TMX translation memory for use in computer-assisted translation.

The Cross Lingual Wiki Engine project aims to design, develop and test lightweight wiki tools that can be used to translate content in wikis. At present the project is implemented as part of TikiWiki.

dotSUB is a browser based tool enabling subtitling of videos on the web into and from any language.

Gaupol is a software tool for the Windows operating system that translates subtitles on video from one language to another. Focused on being accessible to the user, Gaupol emphasizes simplicity and ease of use and can work in many subtitle file formats.

Created to translate previously-created subtitles, Gaupol is not the best tool for initial subtitle creation or editing the original subtitles in the video. However, as a translation tool, Gaupol is effective and simple to use for text-based subtitles with many small but useful features like the ability to find and replace text, framerate conversion and previews of the edits in an external video player.

Gaupol is designed so that users can easily translate a group of subtitles at the same time and assign each to a specific time in the video.

Gengo is a full featured plugin that provides multi-language blogging for WordPress 2.5+. It allows for an unlimited number of translations and summaries for any post and provides template tags to display language information. It allows you to edit translations side by side, detects and filters by language automatically when a visitor comes to your site and automatically generates semantic information for links and content blocks.

GlobalSight is a collaborative, open source initiative to develop a flexible and sustainable Translation Management System (TMS) that leverages the best ideas and addresses the true needs of the industry. GlobalSight embraces an ecosystem of enterprise clients, translators, language service providers, technology suppliers, universities, research institutions and individuals alike!

GNOME Dictionary is a DICT client written in C by Emmanuele Bassi and others. It is part of the open-source GNOME desktop software suite, inside the gnome-utils meta-package. It allows users of GNOME to look up words on dictionary sources.

GNU Aspell is a Free and Open Source spell checker designed to eventually replace Ispell. It can either be used as a library or as an independent spell checker. Its main feature is that it does a superior job of suggesting possible replacements for misspelled words.

Hunspell is the default spell checker of OpenOffice.org and Mozilla Firefox 3 & Thunderbird.

Ini Translator is a utility program to translate ini-style language files, with a look and feel reminiscent of poEdit.

jDictionary has an intuitive user interface and is able to upgrade itself, upgrade its plugins, and provide news and information about new plugins.

Kartouche is a web-based translation tool - it allows translations to be submitted via a browser-based interface. Kartouche's sister application, Omnivore, stores the completed translations in a searchable store to which comments and corrections can be added.

Kyfiethu is a web-based Welsh translation workflow tool. It is based on Kartouche.

Lingro is an online multilingual dictionary tool. Lingro's mission is to create an on-line environment that allows anyone learning a language to quickly look up and learn the vocabulary most important to them. Lingro is not open source software, but all content on Lingro is licensed under Creative Commons.

The LOGON infrastructure (and source tree) is a collection of software, grammars, and other linguistic resources to facilitate experimentation with transfer-based machine translation (MT).

The Okapi Framework is a set of interface specifications, format definitions, components and applications that provides an environment to build interoperable tools for the different steps of the translation and localization process.

A collaborative project to produce a free, multilingual resource in every language, with lexicological, terminological and thesaurus information.

Translation service for software developers: easily find translations into many different languages for interface texts used by other software

Open-source database of translations among all lexemes in all human languages.

Poedit is cross-platform gettext catalogs (.po files) editor. It aims to provide more convenient approach to editing catalogs.

Pootle is a web portal that simplifies the translation process. It allows online translation, work assignment, gives statistics and allows volunteer contribution.

Qt Linguist is a tool for adding translations to Qt applications.

An open-source translation memory tool.

Transifex is a scalable localization platform with a focus on integrating with the existing workflow of both translators and developers. It aims to make it simple for content providers to receive quality translations from big translation communities, no matter where the project is hosted.

A community project where open source software is internationalised and localised. Translatewiki.net is where Wikipedia is localised, this results in a community with localisation in over 150 active languages.

Translatewiki.net does localise other software as well when the software is freely licensed and when there is active support for the internationalisation of the software and when localisations are updated in a timely fashion

Vertimus is an open source web tool for managing workflow for translations. Each translation has a status which changes at each step, and users can create an account, book any translation and communicate with a team. An example of Vertimus in action can be found at http://gnomefr.traduc.org/suivi. The first release provides support for localization between English and French.

Wiktionary is a collaborative project to produce a free-content multilingual dictionary. Designed as the lexical companion to Wikipedia, Wiktionary has grown beyond a standard dictionary and now includes a thesaurus, a rhyme guide, phrase books, language statistics and extensive appendices.

WordNet is a large lexical database of English, developed under the direction of George A. Miller. Nouns, verbs, adjectives and adverbs are grouped into sets of cognitive synonyms (synsets), each expressing a distinct concept.

WPML is a WordPress plugin that can turn any WordPress or WordPressMU site into a full featured multilingual content management system.