VSCodium

VSCodium is a repackaging of VS Code without telemetry.

Use Microsoft's extension gallery

By default VSCodium uses Open VSX's extension gallery rather than Microsoft's, used in upstream VS Code.

To use the Microsoft one, either set the following environment variables:

VSCODE_GALLERY_SERVICE_URL='https://marketplace.visualstudio.com/_apis/public/gallery'
VSCODE_GALLERY_CACHE_URL='https://vscode.blob.core.windows.net/gallery/index'
VSCODE_GALLERY_ITEM_URL='https://marketplace.visualstudio.com/items'
VSCODE_GALLERY_CONTROL_URL=''
VSCODE_GALLERY_RECOMMENDATIONS_URL=''

Or modify product.json as follows:

{
  "extensionsGallery": {
    "serviceUrl": "https://marketplace.visualstudio.com/_apis/public/gallery",
    "cacheUrl": "https://vscode.blob.core.windows.net/gallery/index",
    "itemUrl": "https://marketplace.visualstudio.com/items",
    "controlUrl": "",
    "recommendationsUrl": ""
  }
}