Apache OpenNLP
OPEN SOURCE
Open-source natural language processing library
About
Apache OpenNLP is an open-source natural language processing library that provides tools for tokenization, sentence segmentation, part-of-speech tagging, and named entity extraction.
Pricing
Pricing Type
Open Source
Free tier available
Billing
Billed monthly
Last checked: February 21, 2026
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Key Facts
Categories
Platforms
Web
Company
Apache Software Foundation
Founded
Founded in 1999
Country
Global
Language
English