Botmock - Effortlessly design your Facebook chatbots
Fluid for Sketch - Sketch plugin to make your responsive designs more efficient
Botsociety - Botsociety is a tool to design, preview and export your chatbot.
Git Sketch Plugin - Version control for designers
Unsplasher - Fill shapes or symbols in Sketch with images from Unsplash 🖼
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.