# Usecases

- [Simple QA using Open Source Large Language Models](/genai-stack-1/usecases/simple-qa-using-open-source-large-language-models.md): In this use, we will build a simple Question and Answering assistant just like ChatGPT but with help of Open Source Language Models.
- [Multilingual Indic Language Translation](/genai-stack-1/usecases/multilingual-indic-language-translation.md): In this use case, we aim to establish a language translation system from English to six prominent Indian languages: Hindi, Kannada, Telugu, Tamil, Punjabi, and Gujarati.
- [Document Search and Chat](/genai-stack-1/usecases/document-search-and-chat.md): In this use case, we will implement a Chat with PDF. The process involves searching for a pertinent document within the collection based on the user query and subsequently utilizing the Chat Interface
- [Chat with Multiple Documents](/genai-stack-1/usecases/chat-with-multiple-documents.md): In this use case, we will implement a Chat with multiple documents. We will have different kinds of documents including Youtube video, PDF and Web URL.