Memrise is a Language learning Platform with a website and iOS and Android Apps.

Readlang will translate webpages you don't understand, and create flashcards and word lists for you.

VocApp.com is a vocabulary improvement software platform.

Instreamia provides online courses.

Quizlet makes simple learning tools that let you study anything.

Cram is an online platform to create and share online flashcards.

BABADADA.com is a visual dictionary platform.