xlnt

The premium Open Source alternative to LibXL

🎯 Best for:C++ developers needing a modern, cross-platform library to read and write XLSX files.
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What is xlnt?

A cross-platform C++11 library designed for manipulating Excel files with a focus on ease of use and performance. It provides a high-level API for managing worksheets, styles, and cell data without external dependencies.

Tech Stack
C++Backend & Auth

Why xlnt?

  • Modern C++ API
  • Read/Write support
  • Cross-platform compatibility

Limitations

  • Slower than pure C libraries
  • Large binary size
  • Complex build dependencies
3/3/2026
Last Update
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Forks
212
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License
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Competitor Cost
-$1,440
/ year (est. based on LibXL)
Self-Hosted
$0
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Team Size10 Users
150+
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