head to head · open source
excelize vs Hyvor Post
excelize has 20,918 GitHub stars, 1,949 forks, 131 open issues and last shipped 2 days ago. Hyvor Post has 32 stars, 3 forks, 37 open issues and last shipped yesterday. excelize leads on adoption by 65,269% (20,918 vs 32 stars). excelize is written in Go under BSD-3-Clause; Hyvor Post is written in PHP under AGPL-3.0. excelize has attracted 9% as many forks as stars, Hyvor Post 9%. Hyvor Post 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 | Hyvor Post | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 32 |
| License | BSD-3-Clause | AGPL-3.0 |
| Written in | Go | PHP |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 1.9K | ⑂ 3 |
| 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 Hyvor Post if
- You want the Hyvor Post feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches PHP
- You evaluated both and Hyvor Post 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 Hyvor Post
Hyvor Post is a privacy first, open source newsletter platform for publishers, organisations and developers who want to send newsletters to subscribers without click or open tracking, built in PHP and based on the Hyvor Relay self hosted email API.
read the full Hyvor Post overview →
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Frequently asked questions
Is excelize or Hyvor Post more popular?
excelize has 20,918 GitHub stars and Hyvor Post has 32. excelize has the larger community by that measure.
Are excelize and Hyvor Post free?
Both are open source. excelize is licensed under BSD-3-Clause and Hyvor Post under AGPL-3.0. Neither carries a licence fee.
What is the difference between excelize and Hyvor Post?
excelize is written in Go and Hyvor Post in PHP. 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 Hyvor Post?
Choose excelize if you want the larger community (20,918 stars) or its BSD-3-Clause licence terms. Choose Hyvor Post if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.