Question: I need a tool that helps me understand a new codebase quickly, can you suggest something?

If you want a tool to help you get up to speed on a new codebase, /ask Swimm is a great option. This knowledge-sharing service combines team members' collective knowledge and AI to deliver answers to complex questions that are contextually rich. It analyzes the codebase with static analysis and lets teams tap into the collective knowledge of senior engineers, resulting in a huge productivity and code quality boost.

Another option is Sourcegraph, a full-featured code intelligence platform. It includes features like AI-assisted coding, code search, batch changes and code insights. With the ability to navigate code across multiple repositories and perform fast and accurate code search, Sourcegraph helps developers quickly understand large codebases and integrate with popular IDEs.

If you prefer something more integrated, Unblocked brings knowledge from sources like GitHub, Slack and Confluence into your codebase. It accelerates development by explaining code nuances and surfacing relevant documentation and discussions. With features like role-based access control and IDE plugins, Unblocked is designed to improve team efficiency without sacrificing security.

Last, Greptile provides AI-powered code navigation and understanding through a chat interface. It ingests repository data to answer questions and generate code without storing any sensitive data. Greptile is great for developers who need to quickly get up to speed on a new codebase, so it's a good option for rapid onboarding.