Learn Esperanto
- Esperanto for English Speakers
Duolingo’s free Esperanto course for English speakers (see also After Duolingo) - Free Esperanto Course
Free Esperanto course with a personal tutor via email (see also the Esperanto Variety Show’s Lernu kun Logano series) - Lernu.net
A multilingual website for learning Esperanto easily and free of charge - Memrise
Vocabulary building exercises - Esperanto for Beginners
Free 20-lesson course in four parts for beginners - Being Colloquial in Esperanto: A Reference Guide
Full text of the popular book online
Use Esperanto
- Freenode #esperanto
Esperanto IRC channel (Mibbit web client) - Lernu.net (Forums)
Multilingual forums to discuss various topics - Muzaiko
24-hr online Esperanto radio station - Pasporta Servo
International travel and hosting service using Esperanto - Reddit r/Esperanto
Reddit sub about Esperanto
Other Esperanto Organizations
- Esperanto Society of New York
Esperanto group in New York City - Binghamton Esperanto
Esperanto group in Binghamton - Buffalo Esperanto Club
Esperanto group in Buffalo - Mohawk-Hudson Esperanto Club
Esperanto group serving Albany, Schenectady, and Troy - Esperanto-USA
The national Esperanto organization for the United States - Universal Esperanto Association
Largest international Esperanto organization