HEATKEYS

YouTube is a place to discover, watch, upload and share videos.

The authoritative Collins dictionaries now available online. Search amongst hundreds of thousands of words and expressions in Spanish, French, German, Italian, Chinese, Portuguese, Russian and synonyms dictionaries.

ShowMe is an open online learning community where anyone can learn and teach any topic. Our iPad app lets you easily create and share video lessons.

AppTweak is the App Store Optimization Toolbox. Get a full ASO report for your app, follow the worldwide ranking, analyze the app marketing of competitors, get yours worlwide reviews & ratings. Discover AppTweak.com now!

ShowMe is an open online learning community where anyone can learn and teach any topic. Our iPad app lets you easily create and share video lessons.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

For iPhone developers who love their apps, App Annie keeps tabs on your apps, making it easy to track sales, rankings, and reviews from around the world.

Twitter is without a doubt the best way to share and discover what is happening right now.

朗朗中文为海外中文学习者和中文教育机构提供中文教材和中文教学服务。朗朗中文开发的中文学习系列课程涵盖从启蒙到大学、成人各阶段。课程包括中文教材、在线课程、多媒体互动CD等。朗朗中文网上中文学习平台除配套的网络中文课程外，还提供拼音、中文识字卡、中文阅读、中华文化等中文学习资源。

Quizlet is a lightning fast way to memorize vocabulary lists. It

Play free online games for kids on PrimaryGames. Site features learning games, action games, puzzles, card games, virtual worlds, coloring pages, and more!

italki is a language learning social network that connects students and language teachers. You can find language exchange partners, practice speaking a foreign language, ask questions, find free online language resources, and get help from an intern...