Question: I need a tool to create a custom chatbot with robust authentication and data management features.

If you're looking for a tool to build your own chatbot with authentication and data storage abilities, Chat Nova is a great choice. It's a custom AI chatbot development platform with full authentication and database integration, including support for role-based authentication and chat history storage. The platform can be self-hosted so you can keep control of your data, and it comes with a professional UI/UX design. It's built with open-source tools and is free to use, so it's a good choice for developers and non-technical people.

Another good option is Bot9, which is geared for customer service with an AI chatbot creation tool. It's trained on website URLs and real chat history to get better over time, and it can integrate with tools like Jira, GitHub and Slack. Bot9 also comes with a unified inbox for managing customer communications and custom actions to fetch real-time data. It has a range of pricing tiers so it can accommodate businesses of different sizes.

If you're looking for enterprise-level security and a lot of customization, Mendable is worth a look. It's got features like SOC 2 Type II Certification, Single Sign-On, and Role-Based Access Control. Mendable also supports advanced customization, continuous training, and integrations with many tools. And it's got a free plan with 500 message credits per month, so it's good for businesses of all sizes.

Last is Botpress, another powerful tool with end-to-end AI agent abilities. It integrates with more than 100 platforms and can be used to generate production-ready AI agents. Botpress comes with a professional greeting, LLM integration, and database synchronization for personalization. The service comes with a free tier, and paid plans for security, scalability and dedicated support.