These docs are for version 1.x of Rasa Open Source.

### User Guide

- [Installation](https://legacy-docs-v1.rasa.com/1.5.3/user-guide/installation/)
- [Rasa Tutorial](https://legacy-docs-v1.rasa.com/1.5.3/user-guide/rasa-tutorial/)
- [Command Line Interface](https://legacy-docs-v1.rasa.com/1.5.3/user-guide/command-line-interface/)
- [Architecture](https://legacy-docs-v1.rasa.com/1.5.3/user-guide/architecture/)
- [Messaging and Voice Channels](https://legacy-docs-v1.rasa.com/1.5.3/user-guide/messaging-and-voice-channels/)
- [Evaluating Models](https://legacy-docs-v1.rasa.com/1.5.3/user-guide/evaluating-models/)
- [Validate Data](https://legacy-docs-v1.rasa.com/1.5.3/user-guide/validate-files/)
- [Running the Server](https://legacy-docs-v1.rasa.com/1.5.3/user-guide/running-the-server/)
- [Running Rasa with Docker](https://legacy-docs-v1.rasa.com/1.5.3/user-guide/running-rasa-with-docker/)
- [Cloud Storage](https://legacy-docs-v1.rasa.com/1.5.3/user-guide/cloud-storage/)

### NLU

- [About](https://legacy-docs-v1.rasa.com/1.5.3/nlu/about/)
- [Using NLU Only](https://legacy-docs-v1.rasa.com/1.5.3/nlu/using-nlu-only/)
- [Training Data Format](https://legacy-docs-v1.rasa.com/1.5.3/nlu/training-data-format/)
- [Choosing a Pipeline](https://legacy-docs-v1.rasa.com/1.5.3/nlu/choosing-a-pipeline/)
- [Language Support](https://legacy-docs-v1.rasa.com/1.5.3/nlu/language-support/)
- [Entity Extraction](https://legacy-docs-v1.rasa.com/1.5.3/nlu/entity-extraction/)
- [Components](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#)

### Core

- [About](https://legacy-docs-v1.rasa.com/1.5.3/core/about/)
- [Stories](https://legacy-docs-v1.rasa.com/1.5.3/core/stories/)
- [Domains](https://legacy-docs-v1.rasa.com/1.5.3/core/domains/)
- [Responses](https://legacy-docs-v1.rasa.com/1.5.3/core/responses/)
- [Actions](https://legacy-docs-v1.rasa.com/1.5.3/core/actions/)
- [Policies](https://legacy-docs-v1.rasa.com/1.5.3/core/policies/)
- [Slots](https://legacy-docs-v1.rasa.com/1.5.3/core/slots/)
- [Forms](https://legacy-docs-v1.rasa.com/1.5.3/core/forms/)
- [Retrieval Actions](https://legacy-docs-v1.rasa.com/1.5.3/core/retrieval-actions/)
- [Interactive Learning](https://legacy-docs-v1.rasa.com/1.5.3/core/interactive-learning/)
- [Fallback Actions](https://legacy-docs-v1.rasa.com/1.5.3/core/fallback-actions/)
- [Knowledge Base Actions](https://legacy-docs-v1.rasa.com/1.5.3/core/knowledge-bases/)

### Conversation Design

- [Dialogue Elements](https://legacy-docs-v1.rasa.com/1.5.3/dialogue-elements/dialogue-elements/)
- [Small Talk](https://legacy-docs-v1.rasa.com/1.5.3/dialogue-elements/small-talk/)
- [Completing Tasks](https://legacy-docs-v1.rasa.com/1.5.3/dialogue-elements/completing-tasks/)
- [Guiding Users](https://legacy-docs-v1.rasa.com/1.5.3/dialogue-elements/guiding-users/)

### API Reference

- [Action Server](https://legacy-docs-v1.rasa.com/1.5.3/api/action-server/)
- [HTTP API](https://legacy-docs-v1.rasa.com/1.5.3/api/http-api/)
- [Jupyter Notebooks](https://legacy-docs-v1.rasa.com/1.5.3/api/jupyter-notebooks/)
- [Agent](https://legacy-docs-v1.rasa.com/1.5.3/api/agent/)
- [Custom NLU Components](https://legacy-docs-v1.rasa.com/1.5.3/api/custom-nlu-components/)
- [Events](https://legacy-docs-v1.rasa.com/1.5.3/api/events/)
- [Tracker](https://legacy-docs-v1.rasa.com/1.5.3/api/tracker/)
- [Tracker Stores](https://legacy-docs-v1.rasa.com/1.5.3/api/tracker-stores/)
- [Event Brokers](https://legacy-docs-v1.rasa.com/1.5.3/api/event-brokers/)
- [Lock Stores](https://legacy-docs-v1.rasa.com/1.5.3/api/lock-stores/)
- [Training Data Importers](https://legacy-docs-v1.rasa.com/1.5.3/api/training-data-importers/)
- [Featurization](https://legacy-docs-v1.rasa.com/1.5.3/api/featurization/)
- [Migration Guide](https://legacy-docs-v1.rasa.com/1.5.3/migration-guide/)
- [Rasa OSS Change Log](https://legacy-docs-v1.rasa.com/1.5.3/changelog/)

### Migrate from (beta)

- [Dialogflow](https://legacy-docs-v1.rasa.com/1.5.3/migrate-from/google-dialogflow-to-rasa/)
- [Wit.ai](https://legacy-docs-v1.rasa.com/1.5.3/migrate-from/facebook-wit-ai-to-rasa/)
- [LUIS](https://legacy-docs-v1.rasa.com/1.5.3/migrate-from/microsoft-luis-to-rasa/)
- [IBM Watson](https://legacy-docs-v1.rasa.com/1.5.3/migrate-from/ibm-watson-to-rasa/)

### Reference

- [Glossary](https://legacy-docs-v1.rasa.com/1.5.3/glossary/)

### Versions

viewing: 1.5.3

### Components

- **Word Vector Sources**
  - [MitieNLP](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#mitienlp)
  - [SpacyNLP](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#spacynlp)
- **Featurizers**
  - [MitieFeaturizer](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#mitiefeaturizer)
  - [SpacyFeaturizer](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#spacyfeaturizer)
  - [NGramFeaturizer](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#ngramfeaturizer)
  - [RegexFeaturizer](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#regexfeaturizer)
  - [CountVectorsFeaturizer](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#countvectorsfeaturizer)
  - [ConveRTFeaturizer](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#convertfeaturizer)
- **Intent Classifiers**
  - [MitieIntentClassifier](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#mitieintentclassifier)
  - [SklearnIntentClassifier](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#sklearnintentclassifier)
  - [EmbeddingIntentClassifier](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#embeddingintentclassifier)
  - [KeywordIntentClassifier](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#keywordintentclassifier)
- **Selectors**
  - [Response Selector](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#response-selector)
- **Tokenizers**
  - [WhitespaceTokenizer](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#whitespacetokenizer)
  - [JiebaTokenizer](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#jiebatokenizer)
  - [MitieTokenizer](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#mitietokenizer)
  - [SpacyTokenizer](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#spacytokenizer)
- **Entity Extractors**
  - [MitieEntityExtractor](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#mitieentityextractor)
  - [SpacyEntityExtractor](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#spacyentityextractor)
  - [EntitySynonymMapper](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#entitysynonymmapper)
  - [CRFEntityExtractor](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#crfentityextractor)
  - [DucklingHTTPExtractor](https://legacy-docs-v1.rasa.com/1.5.3/nlu/components/#ducklinghttpextractor)