Polyocat is a free Chrome extension developed by Tom Wang. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This extension aims to provide multilingual support for Github, with the current version supporting only zh-CN (Simplified Chinese). However, users have the option to add their own languages.

Polyocat is a valuable tool for Github users who prefer to navigate the platform in languages other than English. With this extension, users can easily switch to zh-CN and enjoy a more localized experience. The extension seamlessly integrates with Github, allowing users to browse repositories, read code, and interact with other users in their preferred language.

Overall, Polyocat is a useful Chrome extension for non-English Github users, offering multilingual support and enhancing the user experience on the platform. It is a free tool developed by Tom Wang and is available on the Chrome Web Store.