head to head · open source
excelize vs ktx
excelize has 21,036 GitHub stars, 1,984 forks, 131 open issues and last shipped yesterday. ktx has 1,628 stars, 110 forks, 52 open issues and last shipped 12 days ago. excelize leads on adoption by 1,192% (21,036 vs 1,628 stars). excelize is written in Go under BSD-3-Clause; ktx is written in TypeScript under Apache-2.0. excelize has attracted 9% as many forks as stars, ktx 7%. excelize was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (agent, analytics), 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 | ktx | |
|---|---|---|
| GitHub stars | ★ 21K | ★ 1.6K |
| License | BSD-3-Clause | Apache-2.0 |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-10-22 |
| Forks | ⑂ 2.0K | ⑂ 110 |
| 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 ktx if
- You want the ktx feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and ktx fits your workflow better
About excelize
Excelize Introduction Excelize is a library written in pure Go providing a set of functions that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files. Supports reading and writing spreadsheet documents generated by Microsoft Excel™ 2007 and later. Supports complex components by high compatibility, and provided streaming API for generating or reading data from a worksheet with huge amounts of data. This library needs Go version 1.25.0 or later. The full docs can be seen using go's built in documentation tool, or online at go.dev and docs reference. Basic Usage Installation If your…
read the full excelize overview →
About ktx
The context layer for data agents Quickstart · CLI Reference · Agent Setup · Slack Built and maintained by Kaelio ktx is a self improving context layer that teaches agents how to query your warehouse accurately from approved metric definitions, joinable columns, and business knowledge it builds and maintains for you. [!NOTE] Run ktx with your own LLM API keys or a local agent sign in — a Claude Pro/Max subscription through Claude Code, or your local Codex authentication. No extra usage billing from ktx . Why ktx General purpose agents struggle on data tasks. They re explore your warehouse on every question…
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Frequently asked questions
Is excelize or ktx more popular?
excelize has 21,036 GitHub stars and ktx has 1,628. excelize has the larger community by that measure.
Are excelize and ktx free?
Both are open source. excelize is licensed under BSD-3-Clause and ktx under Apache-2.0. Neither carries a licence fee.
What is the difference between excelize and ktx?
excelize is written in Go and ktx 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 ktx?
Choose excelize if you want the larger community (21,036 stars) or its BSD-3-Clause licence terms. Choose ktx if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.