foma ☆
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Description:
Finite-state compiler and C library
Type: Formula  |  Latest Version: 0.10.0@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: nlp compiler finite-state transducer linguistics
Install: brew install foma
About:
Foma is a command-line tool for compiling and applying finite-state transducers and automata. It provides a powerful scripting environment for building complex text processing pipelines. Its main value is in creating highly efficient lexical analyzers and morphological analyzers for NLP applications.
Key Features:
  • Regular expression compiler for FSMs
  • Python and C library bindings
  • Efficient transducer composition and application
  • Interactive command-line interface
Use Cases:
  • Developing morphological analyzers for NLP
  • Compiling lexicons into efficient lookup automata
  • Prototyping text processing pipelines
Alternatives:
  • HFST – HFST is a more comprehensive framework supporting multiple backends, while Foma is a lightweight, standalone compiler.
  • Xerox Finite State Toolkit – XFST is the commercial predecessor with similar syntax; Foma is a free and open-source alternative.
Version History
Detected Version Rev Change Commit
Sep 11, 2025 8:30am 0 VERSION_BUMP df714091
Sep 11, 2024 7:30am 0 VERSION_BUMP f9caecd2
Sep 17, 2023 10:44am 0 VERSION_BUMP 45cd55fb
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