Install Extensions from Open VSX Registry
Code Builder comes with everything you need to build applications on Salesforce, including Salesforce Extensions, the Salesforce CLI, and GitHub integration. To see installed extensions, including the Salesforce Extension Pack and the Salesforce Extension Pack (Expanded), click the Extensions icon () in the Activity Bar or use the View: Extensions palette command (⇧⌘X).
Maximize your productivity in Code Builder by installing additional extensions in your Code Builder environment.
Open VSX is an alternative for Code Builder to the Visual Studio Marketplace, which you use in the desktop version of VS Code. Open VSX is an Eclipse open-source project. You can browse and install Open VSX extensions in Code Builder by clicking the Extensions icon in the Activity Bar.