Pootle!

Poedit is cross-platform gettext catalogs (.po files) editor. It is built with wxWidgets toolkit and can run on any platform supported by it (although it was only tested on Unix with GTK+ and Windows). It aims to provide more convenient approach to editing catalogs than launching vi and editing the file by hand.

Transifex is a modern localization workflow and crowdsourcing platform, suited for software and dynamic content translation.

Get quality translations for your app, website, game, supporting documentation and on. Invite your own translation team or work with professional translation agencies within Crowdin.

Weblate is a web based translation tool with tight VCS integration. It features simple and clean user interface, propagation of translations across components, consistency checks and automatic linking to source files.

OneSky (oneskyapp.com) is a simple & affordable translation service specialized in mobile apps (iOS, Android), e-commerce and websites, supporting 50+ languages. It offers the most powerful localization project management platform for team collaboration. OneSky also offers (1) prebuilt API and SDKs for developers for easy cross-platform integration; (2) machine translation integrated and (3) ready-built platform for Crowdsourced Translation.

POEditor is a localization management platform designed to help translators, localization managers, and developers more easily collaborate on making multilingual software.

Zanata is a web-based system for translators, content creators and developers to manage localisation projects.

Translatewiki.net is a localisation platform for translation communities, language communities, and free and open source projects. It started out with localisation for MediaWiki. Later support was added for MediaWiki extensions, FreeCol and other free and open source projects.

MemoQ is an integrated translation or localization environment (ILE) that boosts the productivity of human translators while maintaining the high quality and increasing the consistency of translated texts.

Translation.io allows you to localize Ruby on Rails applications using either `t('.keys')` or `_('free text')`.

GlotPress will let you, or an entire team, to translate their favourite software. It is web-based and open-source. Here is what makes GlotPress special: Totally usable. Not less than a desktop client. Keyboard only editing, shortcuts.Very small and simple, but infinitely extensible. Just like WordPress. Perfect for team collaboration.Easing comin', easy goin'. Import and export gettext files. API to be sure everything is in sync.

GlobalizeIt is a cloud-based globalization platform for websites. With GlobalizeIt, your website become editable. Translators, editors and designers collaborate together to translate the text directly inline on the page and visually manipulate images and segments for target markets. Then the changes can be published live instantly. It also handles dates, numbers, currency conversions, ongoing releases, and much more. With GlobalizeIt you can go live in days - with no programmer involvement. Check us out today! »

oTranCe offers a ready to go and entirely web based translation platform to your project and your translators

Get Localization is a Software Localization Platform for Developers. It brings Developers and Translators together to create applications everyone can understand. The translators can be professionals or members of your user community, you can decide what is best for your product.

Integrate. Translate. Communicate.