zeitwerk
RubyGemsv2.8.3Safe to adopt
Yes — zeitwerk scores well across adoption, maintenance, weight, supply chain, and licensing. 173.8M downloads per week and 2 known dependents. Last published 39 days ago. 10 releases in the last 2 years.
- AAdoption: grade A, Excellent.
173.8M downloads per week and 2 known dependents.
- AMaintenance: grade A, Excellent.
Last published 39 days ago. 10 releases in the last 2 years.
- AWeight: grade A, Excellent.
Zero runtime dependencies.
- BSupply chain: grade B, Good.
This package has a single maintainer (bus factor of 1).
- ALicense: grade A, Excellent.
MIT — permissive, with no copyleft found in the dependency tree.
Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.
Install cost
What you actually take on by adding zeitwerk to a project.
Runtime packages this one declares itself.
Distinct packages in the full runtime tree, deduplicated the way a package manager would.
Unpacked size of this package plus its entire runtime tree.
Longest resolved dependency chain below this package.
Compatibility
- Ruby
- No constraint declared
Used by
Popular packages that depend on zeitwerk.
Relationship graph
Dependencies (left) and dependents (right) of zeitwerk.
Frequently installed together
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Release history
8 releases in the last two years, typically about 45 days apart.
| Version | Published | Size | License |
|---|---|---|---|
| 2.8.3latest | 1 month ago | — | MIT |
| 2.8.2 | 3 months ago | — | MIT |
| 2.8.1 | 3 months ago | — | MIT |
| 2.8.0 | 3 months ago | — | MIT |
| 2.7.5 | 6 months ago | — | MIT |
| 2.7.4 | 8 months ago | — | MIT |
| 2.7.3 | 1 year ago | — | MIT |
| 2.7.2 | 1 year ago | — | MIT |
| 2.7.1 | 1 year ago | — | MIT |
| 2.7.0 | 1 year ago | — | MIT |
| 2.6.18 | 2 years ago | — | MIT |
| 2.6.17 | 2 years ago | — | MIT |
| 2.6.16 | 2 years ago | — | MIT |
| 2.6.15 | 2 years ago | — | MIT |
| 2.6.14 | 2 years ago | — | MIT |
Overview
zeitwerk is an RubyGems package. It is extremely widely used, with about 173.8M downloads per week and 2 known dependents in the graph. The latest version is 2.8.3, released under the MIT license.
Who should use it
Teams working in the RubyGems ecosystem who need this functionality and value a battle-tested, widely-adopted solution.
When not to use it
Consider an alternative if you need to or if a more actively-maintained option better fits your RubyGems stack.
Pros
- Large, well-established user base (173.8M weekly downloads).
- Clear open-source license (MIT).
- Zero runtime dependencies — minimal footprint.
Cons
- No significant drawbacks detected from available metadata.
Auto-generated from collected registry metadata. No external claims are inferred.
Maintainers
Frequently asked questions
Should I use zeitwerk?
Yes — zeitwerk scores well across adoption, maintenance, weight, supply chain, and licensing. 173.8M downloads per week and 2 known dependents. Last published 39 days ago. 10 releases in the last 2 years.
How do I install zeitwerk?
Run `gem install zeitwerk` to add zeitwerk to your RubyGems project.
What license is zeitwerk released under?
zeitwerk is distributed under the MIT license.
How popular is zeitwerk?
zeitwerk has approximately 173,784,470 downloads per week and 2 known dependent packages.
Is zeitwerk still maintained?
The most recent release of zeitwerk (v2.8.3) was published 1 month ago.