Lute
Lute: A free, open-source reader for learners who want detailed control over vocabulary. Ranked #18 of 25 in Language Immersion Apps by our editors (7.1/10); pricing: Free plan; best for open-source readers needing deep vocabulary control.
At a glance
- Editor score7.1 / 10
- PricingFree plan
- Best forOpen-source readers needing deep vocabulary control
- Free planYes
- Paid fromFree
- Founded2022
- Facts checked20 Sep 2026
Where it wins
- Imports TXT, EPUB, web pages, and entered text
- Supports custom definitions, parent terms, statuses, images, and audio
- Exports vocabulary to Anki from Windows, macOS, Linux, and Android
Where it doesn't
- Requires local installation rather than a hosted subscription service
- Interactive practice features are not described
- Anki is the only listed integration
Our verdict on Lute
Lute is a free, open-source language immersion application built around reading authentic texts. It runs as a standalone web application that users install locally, with support for Windows, macOS, Linux, and Android. Learners can import TXT and EPUB files, bring in text from web pages, or enter their own material. The product is aimed at individual readers who want to build vocabulary in context while keeping detailed control over how terms are defined and organized.
Its main strength is vocabulary depth. While reading, users can create definitions and personal associations, define parent terms and multi-word terms, attach images, and assign statuses such as New, Learning, Well-known, and Ignore. Term and sentence dictionaries can be configured, while audio can be played for books. The published language list includes 66 languages, with some predefined languages requiring plugins; users can also define additional languages. These controls make Lute a strong fit for readers who want to shape their own learning workflow around specific texts rather than follow a fixed lesson sequence.
Lute also fits learners who prefer local software and a focused ecosystem. It supports book and web reading, personal vocabulary management, and Anki export, but Anki is the only listed integration. The product is better suited to deliberate reading and vocabulary collection than to a broader practice system with verified interactive exercises or extensive connected services. Choose Lute if local installation, open-source software, authentic content, and fine-grained term management matter most. Readers seeking a more guided experience or wider integration coverage should consider an alternative.
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Lute pricing
Lute fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Content formats | text, TXT, EPUB, web pages, book audio |
| Learner levels | Not verified |
| Offline access | Not verified |
| Transcripts or captions | Not verified |
| Interactive practice | Not verified |
| Supported languages | 66 languages |
| Deployment | Self-hosted, Desktop, Mobile |
| Platforms | Web, Windows, macOS, Linux, Android |
| Support | Community, Docs |
| Built for | Solo, Small business (editorial estimate) |
| Integrations | 1 integrations: Anki |
| Pricing | Free plan |
| Website | luteorg.github.io |
| Facts checked | 20 Sep 2026 |
Lute integrations
Lute lists 1 integrations on its own site.
- Anki
Alternatives to Lute
- LingQA broad immersion platform for learners who want authentic content and structured vocabulary review.9.4
- OpenKotoA free, open-source immersion app for studying your own reading and media.8.9
- LectorA flexible immersion reader with strong imports, SRS, AI tools, and self-hosting.8.8
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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