LDA.js
Node.js library for Latent Dirichlet Allocation topic modeling
- Status
- UnmaintainedNo commits in 1318 days.
- Last checked
- Checked · Oct 11, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
LDA.js is a Node.js implementation of Latent Dirichlet Allocation, enabling developers to perform topic modeling on text data directly within their JavaScript applications.
LDA.js stands out as the only Node.js library providing an efficient and customizable implementation of Latent Dirichlet Allocation, making it ideal for integrating topic modeling directly into JavaScript applications.
When it fits — and when it doesn’t
A good fit for
Developers building text analysis tools who need a Node.js-based LDA implementation
Projects requiring efficient and customizable topic modeling within JavaScript applications
Look elsewhere if
Applications that require real-time streaming processing of text data
Teams looking for a cloud-hosted service with managed infrastructure
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited documentation and examples
The official repository lacks comprehensive guides or tutorials for new users, making it difficult to understand how to configure and use the tool effectively.
- 02
Performance issues with large datasets
LDA.js can struggle with memory management when processing extensive text corpora, leading to slower execution times or even crashes in extreme cases.
- 03
Narrow feature set compared to Python alternatives
While LDA.js provides basic topic modeling functionality, it lacks advanced features and optimizations available in more mature libraries like Gensim or scikit-learn for Python.
What it does well
Efficient topic modeling using Latent Dirichlet Allocation (LDA)
Node.js implementation for seamless integration with JavaScript applications
Flexible configuration options for customizing the LDA model
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up LDA.js
Setup steps, common gotchas and what to check after 30 days.
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A small badge for LDA.js’s README or site: its name, “Tracked on AI Navigator”, and the availability status and check month from this page. It updates as the catalog does.
Markdown
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