common vs once_cell — Trust Score Comparison

Side-by-side trust comparison of common and once_cell. Scores based on security, compliance, maintenance, popularity, and ecosystem signals.

common scores 55.2/100 (C) while once_cell scores 63.2/100 (C+) on the Nerq Trust Score. once_cell leads by 8.0 points. common is a uncategorized agent with 0 stars. once_cell is a uncategorized agent with 0 stars.
55.2
C
Categoryuncategorized
Stars0
Sourcecrates
Security90
Maintenance50
Documentation30
vs
63.2
C+
Categoryuncategorized
Stars0
Sourcecrates
Security90
Maintenance50
Documentation40

Detailed Metric Comparison

Metric common once_cell
Trust Score55.2/10063.2/100
GradeCC+
Stars00
Categoryuncategorizeduncategorized
Security9090
ComplianceN/AN/A
Maintenance5050
Documentation3040
EU AI Act RiskN/AN/A
VerifiedNoNo

Verdict

once_cell leads with a trust score of 63.2/100 compared to common's 55.2/100 (a 8.0-point difference). Both agents should be evaluated based on your specific requirements.

Detailed Analysis

Security

common leads on security with a score of 90/100 compared to once_cell's 90/100. This score reflects dependency vulnerability analysis, known CVE exposure, and security best practices. A higher security score means fewer known vulnerabilities and better security hygiene in the codebase.

Maintenance & Activity

common demonstrates stronger maintenance activity (50/100 vs 50/100). This metric captures commit frequency, issue response times, and release cadence. Actively maintained tools receive faster security patches and are less likely to accumulate technical debt.

Documentation

once_cell has better documentation (40/100 vs 30/100). Good documentation reduces onboarding time and helps teams adopt the tool safely. This score evaluates README completeness, API documentation, code examples, and tutorial availability.

Community & Adoption

common has 0 GitHub stars while once_cell has 0. Both tools have comparable community sizes, suggesting similar levels of ecosystem support and third-party resources.

When to Choose Each Tool

Choose common if you need:

  • Consider if it better fits your specific use case

Choose once_cell if you need:

  • Higher overall trust score — more reliable for production use
  • Better documentation for faster onboarding

Switching from common to once_cell (or vice versa)

When migrating between common and once_cell, consider these factors:

  1. API Compatibility: common (uncategorized) and once_cell (uncategorized) share similar interfaces since they are in the same category.
  2. Security Review: Run a security audit after migration. Check the common safety report and once_cell safety report for known issues.
  3. Testing: Ensure your test suite covers all integration points before switching in production.
  4. Community Support: common has 0 stars and once_cell has 0. Larger communities typically mean better Stack Overflow answers and migration guides.
common Safety Report once_cell Safety Report common Alternatives once_cell Alternatives

Related Pages

Frequently Asked Questions

Which is safer, common or once_cell?
Based on Nerq's independent trust assessment, common has a trust score of 55.2/100 (C) while once_cell scores 63.2/100 (C+). The 8.0-point difference suggests once_cell has a stronger trust profile. Trust scores are based on security, compliance, maintenance, documentation, and community adoption.
How do common and once_cell compare on security?
common has a security score of 90/100 and once_cell scores 90/100. Both have comparable security profiles. common's compliance score is N/A/100 (EU risk: N/A), while once_cell's is N/A/100 (EU risk: N/A).
Should I use common or once_cell?
The choice depends on your requirements. common (uncategorized, 0 stars) and once_cell (uncategorized, 0 stars) serve similar use cases. On trust, common scores 55.2/100 and once_cell scores 63.2/100. Review the full KYA reports for each agent before making a decision. Consider factors like integration requirements, documentation quality (30 vs 40), and maintenance activity (50 vs 50).

Related Comparisons

Last updated: 2026-09-26 | Data refreshed weekly
Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.

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