Internationalization (i18n) open source libraries and APIs
Localizing Android Apps
Truly great applications use the right text, dates, numbers, currencies, and graphics for users and their locations. Android has great i18n support.
Phone number library
Google's library powers Android and more. Optimized for smart phones, Android's framework has included the Java version since 4.0.
International Components for Unicode (ICU)
These mature, open source, public C/C++ and Java libraries are widely used, supporting Unicode and globalization.
Chrome Web Store App i18n
Tips and steps to follow when you internationalize and localize an app for the Chrome Web Store.
Resources for multi-regional and multilingual websites
Webmaster resources help you manage multiple regional and language versions of your website.
With robust multi-lingual web font support, Google Fonts are quick and easy for anyone to use, including professional web designers and developers.
Google Web Toolkit (GWT)
GWT's toolkit for complex browser-based applications includes flexible i18n tools.
ECMAScript i18n API
Closure bidirectional text tools
BiDi text handling is essential when you localize your application in right-to-left (RTL) languages including Arabic, Hebrew, Persian, and Urdu.
CSS Mirroring for RTL layouts
CSSJanus flips Cascading Style Sheets (CSS) between left-to-right and right-to-left orientations.
Generate a pseudotranslation of an application to quickly find potential localization problems.
Handling dates, times, currencies, and more
Common Data Local Repository (CLDR) provides the most extensive available set of key building blocks for the world's languages.