Salesforce Package.xml Generator is a good extension for you to create a package.xml right inside the vscode and that too dynamically without writing a single line yourself.
Salesforce Apps and Tools in SFDX
Salesforce Marketplace is a platform that lists ready-to-install Salesforce solutions, like, apps, tools, codes, plugins, browser extensions and other components and services available in the market. It’s a place that powers you to connect with customers and extend Salesforce across any department and industry.
Salesforce Marketplace is the one-stop solution for all your requirements as you won’t have to wander around anymore looking for the best tools to make the most out of your Salesforce CRM.
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This extension brings the same functionality available in the Query Editor Tab in the Salesforce Developer Console to VS Code.