head to head · open source
excelize vs claude-ads
excelize has 20,918 GitHub stars, 1,949 forks, 131 open issues and last shipped 2 days ago. claude-ads has 9,355 stars, 1,381 forks, 18 open issues and last shipped 7 days ago. excelize leads on adoption by 124% (20,918 vs 9,355 stars). excelize is written in Go under BSD-3-Clause; claude-ads is written in Python under MIT. excelize has attracted 9% as many forks as stars, claude-ads 15%. excelize was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), 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 | claude-ads | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 9.4K |
| License | BSD-3-Clause | MIT |
| Written in | Go | Python |
| Last push | 2026-09-16 | 2026-09-11 |
| Forks | ⑂ 1.9K | ⑂ 1.4K |
| 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 claude-ads if
- You want the claude-ads feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and claude-ads 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 claude-ads
Claude Ads is an MIT licensed, Claude first paid media operations skill for Claude Code that gives agencies, consultants, and in house performance teams source grounded audits, planning, monitoring, and reporting across 12 advertising platforms from one read only by default command surface.
read the full claude-ads overview →
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Frequently asked questions
Is excelize or claude-ads more popular?
excelize has 20,918 GitHub stars and claude-ads has 9,355. excelize has the larger community by that measure.
Are excelize and claude-ads free?
Both are open source. excelize is licensed under BSD-3-Clause and claude-ads under MIT. Neither carries a licence fee.
What is the difference between excelize and claude-ads?
excelize is written in Go and claude-ads in Python. 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 claude-ads?
Choose excelize if you want the larger community (20,918 stars) or its BSD-3-Clause licence terms. Choose claude-ads if its feature set, stack or MIT licence fits better. Both are self-hostable.