lernu! is a multilingual website that provides free courses and information on the international language Esperanto. With lernu!, you can learn Esperanto easily and free of charge.
Duolingoand
Post articles in your target languages and receive feedback on your writing skills, grammar, punctuation, spelling, style and syntax in your target languages. It is meant to be like lang-8 for upper intermediate to advanced learners.
You can import texts and not only copy but actively attempt to translate. You get immediate feedback. It's fun. It's challenging.
Textivate generates a wide range of interactive activities (custom gap-filling exercises, etc) based on your own text and / or matching items.
Kurso de Esperanto webapp is a web application built from the resources of the free desktop application Kurso de Esperanto 4.
