NoteFusion is an LLM-based telegram bot that you can directly access from the famous chatting application, allowing you to chat in-context of your PDFs and Notes of other formats. Initially designed for students to help them with exam-prep using their own notes.
Create a .env file with
TELEGRAM_KEY=<your-telegram-key>
OPENAI_API_KEY=<your-openai-api-key>
and start the server. You can get the tele key from https://telegram.me/BotFather