Lojban · la .lojban.

Directory 16 checked resources · constructed / fictional. A short orientation and a solid starting list.

About Lojban

Language family
Constructed (logical / engelang)
Where it's spoken
Worldwide learner community
Speakers
small fluent community; active online learners

Lojban is a carefully engineered logical language based on predicate logic, designed for unambiguous expression. It is an original constructed language (not fiction IP) with a complete baseline grammar, a finite root vocabulary (gismu), and long-running community tools. Expect a steeper conceptual curve than Esperanto — rewarding if you like grammar systems.

How to start

  1. Pick one free course (or free-with-upgrades) below and finish a short beginner unit before hopping apps.
  2. Bookmark one dictionary or grammar reference and look up every unknown word for a week.
  3. Add 10–15 minutes of native listening or learner video most days — news, radio, or a teaching channel.
  4. Drill vocabulary with starter words.
  5. When ready, use a tutor marketplace listing below for short speaking sessions.
Resource Type Levels Cost Verified
YouTube Lojban lessons
Video lesson discovery hub.
youtube channel A1-B1 free 2026-07-29

Know a better classroom-friendly resource for Lojban? Suggest it with attribution.