Question: I'm looking for a tool that can simplify and optimize my code for better readability and maintainability.

Codeium is an AI-powered coding assistant that supports more than 70 programming languages and works with major IDEs. It can provide advanced code completion, AI-powered search, and an AI chat assistant that can generate boilerplate code, refactor existing code, create documentation and suggest bug fixes. It also protects data security and privacy with features like encrypted data transfer and SOC2 Type 2 compliance.

Another top contender is Tabnine, which offers AI-powered code completion, automating repetitive tasks and making suggestions based on your own coding habits. It supports many programming languages and IDEs like VS Code and IntelliJ, and it protects privacy by letting you store and share code only if you choose to do so. It's highly customizable, with a free tier and a Pro tier with more features.

GitHub Copilot is another notable option, a context-aware AI tool designed to help developers at every stage of the development process. It can provide code completion, chat help for coding questions, and integration with tools like GitHub and other IDEs. It comes in three pricing tiers, so it's good for individual developers, businesses and enterprises.

If you want something more customizable and self-hosted, check out Refact. This open-source AI assistant supports multiple large language models and offers features like code completion, code refactoring tools and built-in chat. It prioritizes user privacy with self-hosted versions and customizable privacy controls, so it's a good option for developers who want flexibility and control.