Virtual Human Toolkit - A collection of modules, tools, and libraries designed to aid and support researchers and developers with the creation of virtual human conversational characters

Plato Research Dialogue System - A flexible framework that can be used to create, train, and evaluate conversational AI

ConvLab - A multi-domain end-to-end dialog system platform

Rasa Core - Rasa Core is a well-designed dialogue engine used to create chatbots.

Haystack NLP Framework - Haystack is an open source NLP framework to build applications with Transformer models and LLMs.

LangChain - Framework for building applications with LLMs through composability