Question: Is there a tool that can help me understand complex code and make it more readable?

If you're looking for a tool to help you comprehend complex code and make it easier to read, Codeium is a great option. This AI-powered coding assistant works with more than 70 programming languages and plugs into popular IDEs. It comes with features like advanced code completion, AI-based search and an AI chat interface to write boilerplate code, refactor code, generate documentation and suggest bug fixes. It's geared for individuals and teams, with pricing tiers to accommodate different needs.

Another good option is Unblocked, which draws information from sources like GitHub, Slack and Confluence to give you answers to your coding questions right in your source code. It can help you understand code nuances, find relevant documentation and give quick answers based on your codebase and internal standards. It offers IDE plugins and is SOC 2 Type 2 Compliant, which means it's got data security covered. It's in open beta testing now and offers free access to any team that signs up.

If you prefer open-source options, Refact is another good option. It supports several large language models, including GPT-4, and offers features like fast code completion, code improvement tools and a chat interface. Refact is designed to protect privacy with self-hosted versions and customizable privacy settings. It's available in free and pro tiers, so it's good for individuals and larger teams.

Last, CodeAI is a VS Code extension that uses AI to help you with code completion, test generation and documentation. It supports multiple programming languages and has data security with end-to-end encryption. With several pricing tiers, including a free plan, it's a relatively affordable way to boost your coding productivity.