Frontend Frameworks

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.

  1. 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.

  2. 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.

  3. 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.

Open the setup guide →
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