Resources
Esperanto Mastodon server: Mastodon is like Twitter, but is made of many different servers hosted on different domains. The Esperanto Mastodon server is a good place to make an account and have a live feed of almost totally Esperanto posts.
Lernu.net: an Esperanto community, including forum, courses, bilingual dictionaries, and more.
PMEG: the "Plena Manlibro de Esperanta Gramatiko" is the best accounting of Esperanto grammar, written in clear and concise Esperanto. It's well worth learning how to read about Esperanto grammar in Esperanto - you can dispense with so many problems that arise when reading about it in another language.
Vortaro.net is the free online version of the Plena Ilustrita Vortaro - the best monolingual Esperanto dictionary. Reading definitions for Esperanto in Esperanto is the best way to get a sense of the true meaning of a word. Simply finding the most similar word in your native language is a strategy that can lead to all sorts of traps.
Being Colloquial in Esperanto: learn the ins and outs of Esperanto quickly, and get some help on its tricky bits.
Tekstaro de Esperanto: a searchable collection of Esperanto texts. Useful for finding Esperanto usage examples.
Komputeko: an online, searchable repository of modern technological terms in Esperanto.
