Fossil vs Verdaccio
A side-by-side comparison of two self-hosted developer tools & git options — licensing, setup difficulty, resource needs, and what each one replaces.
Verdaccio
Lightweight private npm proxy registry
| Feature | Fossil | Verdaccio |
|---|---|---|
| Deploy effort | Read-the-docs project | Under-an-hour setup |
| Category | Developer Tools & Git | Developer Tools & Git |
| License | BSD-2-Clause | MIT |
| Language | C | TypeScript |
| Setup difficulty | Easy | Easy |
| Min. RAM | 64 MB | 256 MB |
| Deployment | binary, bare-metal | docker, bare-metal |
| GitHub stars | ★ 600 | ★ 17,897 |
| First released | 2006 | 2017 |
| Replaces | GitHub, Git | GitHub |
What are Fossil and Verdaccio?
Fossil
Fossil is a distributed version control system that bundles bug tracking, a wiki, forum, and web interface into a single self-contained executable. It powers the development of SQLite.
- Single-file executable
- Built-in wiki and forum
- Integrated bug tracking
- Self-contained web UI
Verdaccio
Verdaccio is a lightweight private npm registry and proxy that caches packages and hosts private modules. It targets JavaScript teams who need a private package registry. It is deployed via Docker or npm.
- Private npm registry
- Caching proxy for npmjs
- Pluggable authentication
- Zero-config startup
Fossil vs Verdaccio: key differences
Fossil is written in C, while Verdaccio is built with TypeScript. Licensing differs — BSD-2-Clause for Fossil versus MIT for Verdaccio. Fossil is the lighter option, starting around 64 MB of RAM against 256 MB for Verdaccio. Fossil is the more established project (first released 2006), while Verdaccio arrived in 2017. Verdaccio has the considerably larger community, at 17,897 GitHub stars versus 600. Verdaccio lists first-class Docker deployment; Fossil does not.
Why pick each one
Choose Fossil if…
- Released under the BSD-2-Clause license
- Easy to set up — beginner-friendly
- Written in C
- Tiny footprint — runs in 64 MB RAM
Choose Verdaccio if…
- Very easy to start
- Lightweight
- Good for private packages
Watch out for
- npm ecosystem only
- Limited UI
Frequently asked questions
Is Fossil or Verdaccio better?
Neither is universally better. Verdaccio has the larger community; both share a easy setup difficulty, so the decision comes down to features and licensing.
Are Fossil and Verdaccio free and open-source?
Yes. Fossil is licensed under BSD-2-Clause and Verdaccio under MIT. Both can be self-hosted at no software cost.
Can I run Fossil and Verdaccio with Docker?
Fossil: check the project docs for container support. Verdaccio: yes.
Which is lighter on resources, Fossil or Verdaccio?
Fossil has the smaller minimum footprint at 64 MB of RAM, compared to about 256 MB for Verdaccio. Real-world usage depends on library size, user count, and enabled features.