head to head · open source
koodo-reader vs zk-nvim
koodo-reader has 28,217 GitHub stars, 2,116 forks, 271 open issues and last shipped yesterday. zk-nvim has 859 stars, 68 forks, 0 open issues and last shipped 6 days ago. koodo-reader leads on adoption by 3,185% (28,217 vs 859 stars). koodo-reader is written in JavaScript under AGPL-3.0; zk-nvim is written in Lua under GPL-3.0. koodo-reader has attracted 7% as many forks as stars, zk-nvim 8%. koodo-reader 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
| koodo-reader | zk-nvim | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 859 |
| License | AGPL-3.0 | GPL-3.0 |
| Written in | JavaScript | Lua |
| Last push | 2026-09-17 | 2026-09-12 |
| Forks | ⑂ 2.1K | ⑂ 68 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick koodo-reader if
- You weight community size — 28K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick zk-nvim if
- You want the zk-nvim feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Lua
- You evaluated both and zk-nvim fits your workflow better
About koodo-reader
Koodo Reader is a cross platform ebook manager and reader written in JavaScript and released under the AGPL 3.0 license. It runs on Windows, macOS, Linux, Android, iOS, and the web, and it is distributed both as downloadable desktop and mobile applications and as a hosted web version at web.koodoreader.com. The project lives in the JavaScript ecosystem, is developed with yarn and git, and has been maintained for roughly seven years, with a repository that carries about 28,000 stars and 2,100 forks.
read the full koodo-reader overview →
About zk-nvim
zk nvim is a Neovim plugin that wires the Neovim editor to the zk plain text note taking assistant, and it is for Neovim users who keep a Zettelkasten style notebook of plain text or Markdown files and want to search, create and navigate those notes without leaving the editor.
read the full zk-nvim overview →
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Frequently asked questions
Is koodo-reader or zk-nvim more popular?
koodo-reader has 28,217 GitHub stars and zk-nvim has 859. koodo-reader has the larger community by that measure.
Are koodo-reader and zk-nvim free?
Both are open source. koodo-reader is licensed under AGPL-3.0 and zk-nvim under GPL-3.0. Neither carries a licence fee.
What is the difference between koodo-reader and zk-nvim?
koodo-reader is written in JavaScript and zk-nvim in Lua. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, koodo-reader or zk-nvim?
Choose koodo-reader if you want the larger community (28,217 stars) or its AGPL-3.0 licence terms. Choose zk-nvim if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.