Aspose.Cells FOSS is a free, MIT-licensed open-source library for creating, reading, and modifying Excel spreadsheets, with no Microsoft Office dependency or native Office libraries required. The library supports XLSX for read/write and CSV, Markdown, and JSON for export, with full round-trip fidelity, cell styling, chart generation, AES-encrypted workbooks, data validation, tables, shapes, pictures, comments, hyperlinks, auto-filters, and conditional formatting. The library installs with a single package manager command and runs identically on Windows, macOS, Linux, Docker, and serverless.
Open-source Python library for creating, reading, modifying, and exporting Excel spreadsheets. MIT licensed, pure Python, no Office required.
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