Ido language
What is Ido?
It’s an artificial language designed in 1907 as an improved version of Esperanto. It’s based on most popular european languages and is easy to learn.
Read an article in Wikipedia or visit an informative site: http://idolinguo.org.uk/
Textbooks
Ido For All (PDF, very detailed)
Kompleta Gramatiko Detaloza - the official language book of Ido, in ido
Early volumes of Progreso - the official Ido magazine
Dictionaries
Maintained by me:
Interactive English ↔ Ido and Russian ↔ Ido dictionary
Downloadable in Stardict format: English↔Ido, Russian↔Ido – you can use it on your Android phone via GoldenDict
Other
https://glosbe.com/ - has pretty good Ido support
Where to meet idists
Facebook group: https://www.facebook.com/groups/227585083934469/
Yahoo group: https://groups.yahoo.com/group/idolisto/
Reddit: https://www.reddit.com/r/ido/
Chat in Telegram: https://telegram.me/joinchat/Bb9aLUAwsD6YVHAnzZA1Ag
Chat in Discord: https://discordapp.com/channels/402576661217804288