# Showcase Many use cases are too complex to summarize in a short demo. The listed open source projects use SheetJS libraries in clever deployments. ### vscode-data-preview **Deployment**: Visual Studio Code Extension **Website**: <https://marketplace.visualstudio.com/items?itemName=RandomFractalsInc.vscode-data-preview> **Repository**: <https://github.com/RandomFractals/vscode-data-preview> **Notes**: Demonstrates reading and writing files.