Learn Lojban with lingoXpress
Discover free resources, games, and courses to learn Lojban.
Books & Resources
Explore our collection of Lojban learning materials — eBooks, audiobooks, and more.
View all in Library →
About the Lojban Language
Lojban is a constructed language designed to be a logical, culturally neutral language.
A syntactically unambiguous language based on predicate logic, designed for human and potentially computer use.
Created by Logical Language Group in 1987 for Logical Language.
Frequently Asked Questions
Is lingoXpress really free?
Yes! All our games, courses, and Word of the Day are completely free. No hidden charges, no credit card required.
Do I need to create an account?
Not for games, books or the resources — you can start those right away. Courses need a free account, so we can hold your place between modules and issue your certificate.
Do you have Lojban books?
We currently have one book for learning Lojban: “Lojban Dictionary: Learn Lojban quickly! >1300 words” — available as an eBook, audiobook, or paperback.
What is a constructed language?
Lojban is a constructed language (conlang) — a language that was deliberately created rather than naturally evolving. Lojban was created by Logical Language Group in 1987 for Logical Language.