Internationalization (often abbreviated to i18n — this is a numeronym, where the “18” stands for the 18 letters between the first letter “i” and the last letter “n”) is designing and developing in a way that can be adapted for users from any culture, region, or language.
Android 多语种适配框架，兼容高版本，适配第三方库语种
An automation platform that enables continuous localization.
GUI for editing your i18n translation files
IntelliJ platform based plugin to ease internationalization in projects. Supports the most common file types & frameworks.
A service that provides support for Software Internationalization and Localization
Integrate your Android project with Crowdin
String Resource Markup Language. Style your localized strings for Android.
Easier handling of Java i18n resource bundles
A Java implementation of the Mozilla Project Fluent localization system
Lokalized facilitates natural-sounding software translations.
L10nMessages is a library that makes internationalization (i18n) and localization (l10n) of Java applications easy and safe.
🗄️ The One-Click Backup Utility
Java library designed to facilitate the internationalization (i18n) of applications.
This project is a collection of Apache Wicket components and utilities.
白云截屏（WhiteYun Screenshot）Android long screenshot app：微信聊天记录、网页长图、自动/手动滚屏、多图拼接；支持跟随系统与 19 种界面语言。
Java Internationalisation that doesn't suck
A Maven plugin for synchronizing translations with Crowdin
TapiJI represents a set of smart tools that integrate into the Eclipse IDE for Java developers with the goal to reduce effort of Internationalization. This is accomplished by creating a productive environment for building multilingual applications.
Quarkus Internationalization (I18n) Demo