Frog
Memory-based NLP suite for Dutch: PoS tagging, lemmatization, parsing, and more.
Pricing
Free tier
Flat rate
Adoption
↘CoolingLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is Frog?
Frog is a comprehensive memory-based natural language processing library specifically designed for the Dutch language. It offers functionalities such as part-of-speech tagging, lemmatization, dependency parsing, named entity recognition, shallow parsing, and morphological analysis.
Key differentiator
“Frog stands out as a specialized tool for the Dutch language, offering a wide range of NLP functionalities in one package, making it particularly useful for researchers and developers focused on Dutch text analysis.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Frog is specifically designed for the Dutch language and lacks robust support for other languages.
Setting up Frog requires a detailed configuration, including downloading specific models and dependencies which can be time-consuming.
Due to its niche focus on Dutch NLP, the ecosystem around Frog is relatively small compared to more general-purpose NLP libraries like spaCy or NLTK.
Processing large volumes of text can be slow and resource-intensive, leading to potential bottlenecks in production environments.
Fit analysis
Who is it for?
✓ Best for
Researchers and developers working with Dutch language data who need a comprehensive NLP suite.
Projects requiring detailed linguistic analysis of Dutch text.
✕ Not a fit for
Applications that require real-time processing or very large datasets, as it may be limited by local resources.
Users needing support for languages other than Dutch.
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Integrations
Next step
Get Started with Frog
Step-by-step setup guide with code examples and common gotchas.