head to head · open source
excelize vs bruin
excelize has 20,920 GitHub stars, 1,949 forks, 131 open issues and last shipped today. bruin has 1,709 stars, 90 forks, 60 open issues and last shipped yesterday. excelize leads on adoption by 1,124% (20,920 vs 1,709 stars). excelize is written in Go under BSD-3-Clause; bruin is written in Go under Apache-2.0. excelize has attracted 9% as many forks as stars, bruin 5%. excelize was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (analytics), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| excelize | bruin | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 1.7K |
| License | BSD-3-Clause | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 1.9K | ⑂ 90 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick excelize if
- You weight community size — 21K stars and counting
- You want the BSD-3-Clause license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick bruin if
- You want the bruin feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and bruin fits your workflow better
About excelize
Excelize is a pure Go library for reading and writing XLAM, XLSM, XLSX, XLTM and XLTX spreadsheets, built for Go developers who need to generate or parse Microsoft Excel 2007 and later workbooks directly from their own code.
read the full excelize overview →
About bruin
Bruin is a data pipeline tool that brings together data ingestion, data transformation with SQL, Python & R, and data quality into a single framework. It works with all the major data platforms and runs on your local machine, an EC2 instance, or GitHub Actions. Bruin is packed with features: 📥 ingest data with ingestr / Python ✨ run SQL, Python & R transformations on many platforms 📐 table/view materializations, incremental tables 🐍 run Python in isolated environments using uv 💅 built in data quality checks 🚀 Jinja templating to avoid repetition ✅ validate pipelines end to end via dry run 👷 run on your loca…
read the full bruin overview →
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Frequently asked questions
Is excelize or bruin more popular?
excelize has 20,920 GitHub stars and bruin has 1,709. excelize has the larger community by that measure.
Are excelize and bruin free?
Both are open source. excelize is licensed under BSD-3-Clause and bruin under Apache-2.0. Neither carries a licence fee.
What is the difference between excelize and bruin?
excelize is written in Go and bruin in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, excelize or bruin?
Choose excelize if you want the larger community (20,920 stars) or its BSD-3-Clause licence terms. Choose bruin if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.