head to head · open source
lerna vs hammer-editor
lerna has 36,053 GitHub stars, 2,265 forks, 287 open issues and last shipped yesterday. hammer-editor has 744 stars, 42 forks, 54 open issues and last shipped 2 days ago. lerna leads on adoption by 4,746% (36,053 vs 744 stars). lerna is written in TypeScript under MIT; hammer-editor is written in Kotlin under MIT. lerna has attracted 6% as many forks as stars, hammer-editor 6%. lerna 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
| lerna | hammer-editor | |
|---|---|---|
| GitHub stars | ★ 36K | ★ 744 |
| License | MIT | MIT |
| Written in | TypeScript | Kotlin |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 2.3K | ⑂ 42 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick lerna if
- You weight community size — 36K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick hammer-editor if
- You want the hammer-editor feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Kotlin
- You evaluated both and hammer-editor fits your workflow better
About lerna
Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository, aimed at teams that maintain monorepos and publish packages to npm.
read the full lerna overview →
About hammer-editor
Hammer is a free, open source, local first story editor for writers, built in Kotlin with Compose Multiplatform and shipped for Android, iOS, Windows, Linux and macOS, so a single draft stays with its author across phone and desktop.
read the full hammer-editor overview →
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Frequently asked questions
Is lerna or hammer-editor more popular?
lerna has 36,053 GitHub stars and hammer-editor has 744. lerna has the larger community by that measure.
Are lerna and hammer-editor free?
Both are open source. lerna is licensed under MIT and hammer-editor under MIT. Neither carries a licence fee.
What is the difference between lerna and hammer-editor?
lerna is written in TypeScript and hammer-editor in Kotlin. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, lerna or hammer-editor?
Choose lerna if you want the larger community (36,053 stars) or its MIT licence terms. Choose hammer-editor if its feature set, stack or MIT licence fits better. Both are self-hostable.