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Stemmer

Elixir-based English stemming library for text processing tasks.

Status
UnmaintainedNo commits in 955 days.
Last checked
Aging · Sep 4, 2026
License
Open source
Pricing
Free tier · from $0

What it is

Stemmer is an Elixir implementation of the Porter2 algorithm for English language stemming, aiding in natural language processing tasks by reducing words to their root form. It's essential for developers working on projects that require efficient and accurate text analysis.

Stemmer stands out as an efficient, self-hosted Elixir-based solution for English language stemming, providing high performance and accuracy in text processing tasks.

When it fits — and when it doesn’t

A good fit for

  • Elixir developers working on text processing tasks who need accurate stemming capabilities

  • Projects that require high performance and efficiency in natural language processing

Look elsewhere if

  • Developers looking for a comprehensive NLP library with multiple languages support

  • Teams requiring real-time streaming text analysis (batch-only architecture)

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited language support

    Stemmer is specifically designed for the English language using the Porter2 algorithm, which limits its utility in multilingual projects.

  2. 02

    Complex setup for non-Elixir environments

    Integration with other languages or frameworks may require additional work to set up and maintain due to Elixir's unique ecosystem and dependencies.

  3. 03

    Small community and support base

    As an open-source tool focused on a niche language (Elixir), Stemmer might have limited user contributions, bug fixes, and documentation updates compared to more popular tools.

What it does well

  • Porter2 algorithm implementation for English stemming

  • High performance and accuracy in text processing tasks

  • Self-hosted, allowing full control over deployment

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 Stemmer

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →