If you're looking for open-source tools and API access for customizing chatbots, Botpress is a strong contender. It offers an end-to-end AI agent stack with over 100 integrations like WhatsApp and Telegram. Botpress also provides a professional greeting, LLM integration, database synchronization for personalization, and an API for customization, which can be scaled through various plans, including a free tier.
Another excellent option is Chat Nova, which is built with open-source tools like TypeScript and Tailwind CSS. It supports role-based authentication, real-time AI responses, and professional UI/UX design. Chat Nova can be self-hosted, giving you full control over your data, and is particularly suited for developers looking for a customizable solution.
For businesses needing a robust platform, Mendable offers enterprise-grade security and advanced customization options. It supports multiple models, continuous training, and various tools and APIs. Mendable also includes features like SOC 2 Type II Certification and secure data connectors, making it a secure and scalable choice for chatbot applications.
If you need an information retrieval system that uses ChatGPT, DocsBot allows you to train custom chatbots based on documentation and content. It offers embeddable widgets, automated support ticket responses, and a powerful API for integration. DocsBot supports bulk imports and integrates with Zapier, making it a flexible choice for various use cases.