head to head · open source
excelize vs growth-lab
excelize has 20,918 GitHub stars, 1,949 forks, 131 open issues and last shipped 2 days ago. growth-lab has 1,988 stars, 170 forks, 0 open issues and last shipped 1 months ago. excelize leads on adoption by 952% (20,918 vs 1,988 stars). excelize is written in Go under BSD-3-Clause; growth-lab is written in Python under Apache-2.0. excelize has attracted 9% as many forks as stars, growth-lab 9%. excelize 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 | growth-lab | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 2.0K |
| License | BSD-3-Clause | Apache-2.0 |
| Written in | Go | Python |
| Last push | 2026-09-16 | 2026-08-11 |
| Forks | ⑂ 1.9K | ⑂ 170 |
| 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 growth-lab if
- You want the growth-lab 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 growth-lab 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 growth-lab
Growth Lab is an open source Python growth tool in the business software and marketing customer engagement ecosystem. It understands a product, fetches needed data, researches the market, executes campaign actions, and reviews results to improve the next growth round. It runs inside Codex or Claude Code as the application runtime.
read the full growth-lab overview →
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Frequently asked questions
Is excelize or growth-lab more popular?
excelize has 20,918 GitHub stars and growth-lab has 1,988. excelize has the larger community by that measure.
Are excelize and growth-lab free?
Both are open source. excelize is licensed under BSD-3-Clause and growth-lab under Apache-2.0. Neither carries a licence fee.
What is the difference between excelize and growth-lab?
excelize is written in Go and growth-lab 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 growth-lab?
Choose excelize if you want the larger community (20,918 stars) or its BSD-3-Clause licence terms. Choose growth-lab if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.