Jovo

An open-source web framework for building cross-platform conversational apps for Amazon Alexa, Google Assistant, Messenger, and the web from a single codebase. It solves the problem of maintaining separate codebases for different voice and chat platforms. It targets developers and engineering teams building voice and chat applications, from freelancers to enterprises. It is positioned as a code-first alternative to visual tools like Voiceflow, offering maximum flexibility for complex backend logic and integrations.

Key features

• Write once, deploy to multiple platforms
• TypeScript with strict typing and OOP
• Extensible via plugins and middlewares
• Agnostic NLU integration (Dialogflow, Rasa, Lex)
• Headless CMS integration (Sanity, Storyblok)
• Local debugging with CLI and debugger
• Component-based architecture similar to React