Open source
Open-source credits
Every Lector stands on open-source work. Here is what ships inside it and under which licence.
| Component | Used for | Licence |
|---|---|---|
| faster-whisper and CTranslate2 | Speech recognition | MIT |
| Whisper model weights | Speech recognition models | MIT |
| Chatterbox Multilingual | Voices in 20 languages and voice cloning, with an inaudible watermark | MIT |
| Kokoro | Fast voices for common languages | Apache-2.0 |
| Qwen3 | Translation and subtitle shortening | Apache-2.0 |
| llama.cpp | Runs the translation model on your PC | MIT |
| pyannote community-1 | Telling speakers apart | Code MIT, weights CC-BY-4.0 (attribution) |
| FFmpeg (LGPL build) | Reading and writing video and audio | LGPL |
| Flutter | The app interface | BSD |
| media_kit and libmpv | Video playback | LGPL, dynamically linked |
Full licence texts ship with the installer. Product names belong to their owners.
Film still
The hero preview uses a frame from Sintel (c) Blender Foundation, durian.blender.org, licensed CC BY 3.0. The subtitles shown over it are an illustration, not lines from the film.