Pullstring - Powering computer conversation across all platforms.

ChatPDF - Chat with any PDF using the new ChatGPT API

Octane AI - Octane AI offers tools to create a bot and engage customers and audience via messaging.

Chatbase.me - Interactive chat bot trained on your knowledge base to help you engage with your website users. Chat with document and pdf.

Gomix - The easiest way to build the app or bot of your dreams

ChatDOC - Chat with documents.