head to head · open source
excelize vs angle-grinder
excelize has 20,920 GitHub stars, 1,949 forks, 131 open issues and last shipped today. angle-grinder has 3,758 stars, 76 forks, 29 open issues and last shipped 8 months ago. excelize leads on adoption by 457% (20,920 vs 3,758 stars). excelize is written in Go under BSD-3-Clause; angle-grinder is written in Rust under MIT. excelize has attracted 9% as many forks as stars, angle-grinder 2%. 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 | angle-grinder | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 3.8K |
| License | BSD-3-Clause | MIT |
| Written in | Go | Rust |
| Last push | 2026-09-18 | 2026-02-05 |
| Forks | ⑂ 1.9K | ⑂ 76 |
| 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 angle-grinder if
- You want the angle-grinder feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and angle-grinder 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 angle-grinder
angle grinder Slice and dice log files on the command line. Angle grinder allows you to parse, aggregate, sum, average, min/max, percentile, and sort your data. You can see it, live updating, in your terminal. Angle grinder is designed for when, for whatever reason, you don't have your data in graphite/honeycomb/kibana/sumologic/splunk/etc. but still want to be able to do sophisticated analytics. Angle grinder can process well above 1M rows per second (simple pipelines as high as 5M), so it's usable for fairly meaty aggregation. The results will live update in your terminal as data is processed. Angle grinder is …
read the full angle-grinder overview →
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Frequently asked questions
Is excelize or angle-grinder more popular?
excelize has 20,920 GitHub stars and angle-grinder has 3,758. excelize has the larger community by that measure.
Are excelize and angle-grinder free?
Both are open source. excelize is licensed under BSD-3-Clause and angle-grinder under MIT. Neither carries a licence fee.
What is the difference between excelize and angle-grinder?
excelize is written in Go and angle-grinder in Rust. 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 angle-grinder?
Choose excelize if you want the larger community (20,920 stars) or its BSD-3-Clause licence terms. Choose angle-grinder if its feature set, stack or MIT licence fits better. Both are self-hostable.