Aspose.Cells FOSS is a free, MIT-licensed open-source library for creating, reading, modifying, and saving Excel .xlsx workbooks across .NET and Python, with no Microsoft Office installation or native Office libraries required. All language bindings support XLSX round-trip read/write with full cell-data fidelity, formulas, styling, conditional formatting, auto-filter, and data validation. Select language bindings additionally provide export to CSV, JSON, Markdown, and TSV, along with charts, encryption, and hyperlink management. Install with a single package manager command and run on Windows, macOS, Linux, Docker, and serverless environments.
Open-source Python library for creating, reading, modifying, and exporting Excel spreadsheets. MIT licensed, pure Python, no Office required.
Open-source .NET library for creating, reading, modifying, and saving Excel .xlsx workbooks. MIT licensed, pure managed code, no Office required.
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