Question: I'm looking for a platform to build conversational AI experiences that can integrate with my existing IT systems.

If you want to build conversational AI that fits into your existing IT infrastructure, the Microsoft Bot Framework is a strong contender. This open-source foundation taps into Azure Cognitive Services for sophisticated natural language processing and spans a broad range of use cases, from virtual assistants to customer service. It also comes with a visual authoring canvas, custom language understanding models and a variety of integration options, making it a good choice for enterprise-level work.

Another contender is Humley, a no-code platform for rapidly building conversational AI assistants. It uses generative AI based on OpenAI models and can integrate with existing systems. With its easy-to-use toolkit and support for multiple channels, Humley is a good choice for customer experience improvements in many industries. It offers several pricing tiers for different businesses, including a free tier for getting started.

Voiceflow is a collaborative tool for building, launching and scaling chat and voice AI agents. It offers a visual drag-and-drop builder, centralized data and integration with a variety of services like CRM systems and e-commerce sites. That makes it a good choice for building custom AI experiences, for example automating customer support and in-app interactions.

If security and compliance are top priorities, Sierra is a conversational AI foundation that integrates with your existing systems and is designed to offer empathetic and personalized customer service. It's got real-time monitoring and data governance features to ensure high security and trust, and it can refine customer experiences with analytics and reporting.