Lunr.js vs OramaCore
A side-by-side comparison of two self-hosted search engines options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Lunr.js | OramaCore |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Health score | 29 · At risk | 61 · Good |
| Category | Search Engines | Search Engines |
| License | MIT | AGPL-3.0 |
| Language | JavaScript | Rust |
| Setup difficulty | Easy | Medium |
| Min. RAM | 64 MB | 1,024 MB |
| Deployment | source | docker, source |
| GitHub stars | ★ 9,203 | ★ 261 |
| First released | 2013 | 2024 |
| Replaces | Algolia, Elasticsearch | Algolia, Elasticsearch |
What are Lunr.js and OramaCore?
Lunr.js
Lunr.js is a small, full-text search library for use in the browser that provides a simple search index without needing a backend service. It is commonly used to add offline search to static sites and documentation.
- Browser-based search
- No backend needed
- Prebuilt index support
- Tiny library size
OramaCore
OramaCore is an open-source search and answer engine that combines full-text, vector and hybrid search with built-in LLM-powered answers. It is self-hosted as a single runtime.
- Hybrid full-text and vector
- Built-in answer engine
- REST API
- Self-hostable
Lunr.js vs OramaCore: key differences
Lunr.js is written in JavaScript, while OramaCore is built with Rust. Licensing differs — MIT for Lunr.js versus AGPL-3.0 for OramaCore. Lunr.js is the lighter option, starting around 64 MB of RAM against 1,024 MB for OramaCore. Lunr.js is the more established project (first released 2013), while OramaCore arrived in 2024. Lunr.js has the considerably larger community, at 9,203 GitHub stars versus 261. OramaCore lists first-class Docker deployment; Lunr.js does not.
Why pick each one
Choose Lunr.js if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- Mature project with 9.2k GitHub stars
- Written in JavaScript
Choose OramaCore if…
- Released under the AGPL-3.0 license
- First-class Docker support for quick deployment
- Written in Rust
Frequently asked questions
Is Lunr.js or OramaCore better?
Lunr.js is the stronger all-round pick: it has both the larger community and the simpler easy setup. Consider OramaCore if its specific feature set fits your needs better.
Are Lunr.js and OramaCore free and open-source?
Yes. Lunr.js is licensed under MIT and OramaCore under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Lunr.js and OramaCore with Docker?
Lunr.js: check the project docs for container support. OramaCore: yes.
Which is lighter on resources, Lunr.js or OramaCore?
Lunr.js has the smaller minimum footprint at 64 MB of RAM, compared to about 1,024 MB for OramaCore. Real-world usage depends on library size, user count, and enabled features.