head to head · open source
excelize vs aaron-marketing-skills
excelize has 20,918 GitHub stars, 1,949 forks, 131 open issues and last shipped 2 days ago. aaron-marketing-skills has 2,796 stars, 361 forks, 0 open issues and last shipped yesterday. excelize leads on adoption by 648% (20,918 vs 2,796 stars). excelize is written in Go under BSD-3-Clause; aaron-marketing-skills is written in Python under Apache-2.0. excelize has attracted 9% as many forks as stars, aaron-marketing-skills 13%. aaron-marketing-skills was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | aaron-marketing-skills | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 2.8K |
| License | BSD-3-Clause | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 1.9K | ⑂ 361 |
| 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 aaron-marketing-skills if
- You want the aaron-marketing-skills feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and aaron-marketing-skills 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 aaron-marketing-skills
Aaron Marketing Skills is an open source, Apache 2.0 plugin and skill collection for AI marketing staff. It packages 120 marketing skills across seven disciplines: narrative, SEO/GEO, social, email, paid ads, influencer, and launch. It lives in the agent skills ecosystem and runs as a plugin, portable skills on many hosts, or an eight bot AI Staff on Grok Bot and Hermes Bot Mode.
read the full aaron-marketing-skills overview →
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Frequently asked questions
Is excelize or aaron-marketing-skills more popular?
excelize has 20,918 GitHub stars and aaron-marketing-skills has 2,796. excelize has the larger community by that measure.
Are excelize and aaron-marketing-skills free?
Both are open source. excelize is licensed under BSD-3-Clause and aaron-marketing-skills under Apache-2.0. Neither carries a licence fee.
What is the difference between excelize and aaron-marketing-skills?
excelize is written in Go and aaron-marketing-skills 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 aaron-marketing-skills?
Choose excelize if you want the larger community (20,918 stars) or its BSD-3-Clause licence terms. Choose aaron-marketing-skills if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.