Bottender - Framework for building conversational user interfaces.
Messaging APIs - Mono repo which collects APIs needed for bot development.
Hubot - Framework to build chat bots.
DeepPavlov - Open source library for deep learning end-to-end dialog systems and chatbots. (Web)
Venom - High-performance system developed with JavaScript to create a bot for WhatsApp.
Virtual-Assistant - Linux based Virtual assistant on Artificial Intelligence in C.
Hybrid Conversational Bot - Based on both neural retrieval and neural generative mechanism with TTS.
Joonbot - No code free website bot maker.
Polis - AI powered sentiment gathering platform. More organic than surveys, less effort than focus groups.
OpenChat - Easy to use opensource chatting framework via neural networks.