A spoken knowledge commons

The encyclopedia
you listen to.

Ask for any subject and Libronox turns it into a calm, accurate ~20-minute spoken episode — part of a living library you can branch, follow, and grow — by day or by night.

The Roman Republic
From the founding to the rise of Caesar — plainly told, in about twenty minutes.
▶ 9.2k plays⎇ 6 branches20 min

Knowledge you follow, not just read

Every topic is an episode. Every episode is a place you can go deeper.

1

Ask for anything

Type a subject — niche or vast. If an episode already exists, it plays. If not, one is generated and grounded against real sources before you hear it.

2

Follow the branches

Episodes live in a shared tree. Go deeper into any sub-topic, or add another angle — the most-listened version rises to the top.

3

Listen your way

A measured narrator for focus by day; the same calm voice to drift off by night. One library, two modes — never dumbed down.

A library that branches

Follow a thread as far as your curiosity runs — from a whole war down to a single morning.

The Second World War
▶ 12.4k · ⎇ 9
The Pacific War
▶ 5.3k · ⎇ 2
The Eastern Front
▶ 4.9k · ⎇ 2
Pearl Harbor
▶ 3.8k · ⧉ 3
Island Hopping
▶ 2.2k
Stalingrad
▶ 4.4k · ⧉ 2
Barbarossa
▶ 2.7k

Learn by day. Drift by night.

The same accurate episode, delivered two ways. It's a mode, not a different product — and accuracy never bends for either one.

Learn

Clear & steady

An even, documentary pace for focus and revision.

Sleep

Soft & fading

The same words, gently delivered, with a fade timer.

Tonight's path
Three episodes, queued to play in order — about an hour.
The Roman Republic
The Punic Wars
The Fall of the Republic
Pride and Prejudice
Jane Austen
Meditations
Marcus Aurelius
The Time Machine
H. G. Wells

Plus a shelf you can listen to

Thousands of free public-domain audiobooks, read by the LibriVox community and streamed at no cost — from the classics everyone means to read to the children's favourites. Prefer our consistent house voice? Have any title narrated on your plan.

Listen free. Create on a plan.

Browse and stream the shared library for free. Generating new episodes and narrating new books draw on your monthly plan.

Free
$0
  • Unlimited listening
  • 1 generation / month
  • Browse the full public library
Start free
Plus
$6.99/mo
  • Everything in Free
  • 3 generations / month
  • Offline downloads & playback speed
  • Sleep voice + Day voice choice
Choose Plus
Ultimate
$13.99/mo
  • Everything in Plus
  • 6 generations / month
  • Multilingual generation
  • Priority rendering
Choose Ultimate

Need more? One-time generation packs — 5 for $9.99 or 10 for $19.99, no auto-renew.

Start anywhere. Follow it everywhere.

the encyclopedia you listen to
Open the library