head to head · open source
excelize vs line-harness-oss
excelize has 20,918 GitHub stars, 1,949 forks, 131 open issues and last shipped 2 days ago. line-harness-oss has 592 stars, 383 forks, 50 open issues and last shipped 7 days ago. excelize leads on adoption by 3,433% (20,918 vs 592 stars). excelize is written in Go under BSD-3-Clause; line-harness-oss is written in TypeScript under MIT. excelize has attracted 9% as many forks as stars, line-harness-oss 65%. excelize was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (mcp), 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 | line-harness-oss | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 592 |
| License | BSD-3-Clause | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-09-16 | 2026-09-11 |
| Forks | ⑂ 1.9K | ⑂ 383 |
| 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 line-harness-oss if
- You want the line-harness-oss feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and line-harness-oss 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 line-harness-oss
L Harness is a self hosted, MIT licensed CRM for LINE Official Accounts, written in TypeScript and deployed on Cloudflare Workers with a D1 database, aimed at teams that want step messaging, broadcasts, forms and reservations without paying a monthly platform fee.
read the full line-harness-oss overview →
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Frequently asked questions
Is excelize or line-harness-oss more popular?
excelize has 20,918 GitHub stars and line-harness-oss has 592. excelize has the larger community by that measure.
Are excelize and line-harness-oss free?
Both are open source. excelize is licensed under BSD-3-Clause and line-harness-oss under MIT. Neither carries a licence fee.
What is the difference between excelize and line-harness-oss?
excelize is written in Go and line-harness-oss in TypeScript. 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 line-harness-oss?
Choose excelize if you want the larger community (20,918 stars) or its BSD-3-Clause licence terms. Choose line-harness-oss if its feature set, stack or MIT licence fits better. Both are self-hostable.