OpenChatKit is an innovative, open-source toolkit aimed at empowering users to build specialized and general-purpose chatbots. It includes a variety of components such as instruction-tuned language models and moderation models. Additionally, its extensible retrieval system allows the augmentation of chatbot responses with up-to-date information from external sources like document repositories, APIs, and live data streams. This toolkit is perfect for both developers and organizations looking to create customized chat solutions tailored to specific needs.