excelize
The premium Open Source alternative to Aspose.Cells
🎯 Best for:High-performance server-side Excel generation in Go.
What is excelize?
A Go library for reading and writing XLAM, XLSM, XLSX, XLTM, and XLTX files with high compatibility for complex styles. Supports streaming read/write for processing massive spreadsheets with minimal memory overhead.
Tech Stack
GoOS & Utilities
Why excelize?
- • Massive file support
- • Complex style preservation
- • Zero external dependencies
Limitations
- • No GUI/Viewer
- • Limited legacy .XLS support
- • Verbose API for styling
3/6/2026
Last Update
1,874
Forks
118
Issues
BSD-3-Clause
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to excelize instantly boosts your runway.
Competitor Cost
-$1,440
/ year (est. based on Aspose.Cells)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%