Socket
FreemiumSupply chain security for open source packages that detects malicious code before install
Verified by editorial·Last updated: April 2026·How we rank
Editor's verdict
Socket is one of the strongest freemium tools in its category, rated 4.5/5 by 389 users. Best for detecting malicious open source packages in the npm registry before they reach production and enforcing supply chain security policies across engineering teams via github pr checks. Standout: detects malicious packages from source code analysis, not just CVE matching. Watch out: coverage limited to npm, PyPI, and Go - Maven, NuGet, and other ecosystems are roadmap. Has a free tier; paid plans start at $19/mo.
About Socket
Socket analyzes open source npm, PyPI, and Go packages for supply chain security risks before they are installed into a codebase. Where vulnerability scanners detect known CVEs after the fact, Socket reads actual package source code to detect malicious behavior: unexpected network connections, file system writes outside the package scope, obfuscated code, and install scripts that execute code at install time. The GitHub app blocks pull requests that introduce packages with supply chain risk signals, with explanations of exactly what behavior triggered the block. The package health scoring covers maintenance activity, contributor count, dependency tree depth, and typosquatting risk - factors that predict future vulnerability risk even for packages with no current CVEs. For engineering teams, Socket answers the question vulnerability scanners do not: is this package itself trustworthy, independent of whether it has a known CVE today. A free plan covers unlimited public repositories; paid plans start at $19 per developer per month.
Pros & Cons
Pros
- ✓Detects malicious packages from source code analysis, not just CVE matching
- ✓GitHub PR blocking prevents supply chain attacks before code merges
- ✓Package health scoring predicts future risk beyond current vulnerability status
- ✓Free tier for public repositories makes it accessible for open source maintainers
Cons
- ✗Coverage limited to npm, PyPI, and Go - Maven, NuGet, and other ecosystems are roadmap
- ✗Some legitimate packages trigger warnings due to install scripts that require allowlisting
- ✗Complementary to but does not replace SCA tools for known vulnerability scanning
Best Use Cases
- →Detecting malicious open source packages in the npm registry before they reach production
- →Enforcing supply chain security policies across engineering teams via GitHub PR checks
- →Auditing dependency trees for packages with characteristics that predict future compromise
Categories
Socket Preview
Live screenshot of Socket homepage. Visit the site ↗
Pricing
Pricing verified April 2026. Verify current pricing on the official site before purchase.
Get Socket →MytheAi Rating
389 aggregate ratings
Aggregate of third-party review platforms (G2, Capterra, Product Hunt) plus editorial testing. How we rank.
Last verified: April 2026
Editorial Scoring
How Socket scores on our 7-criteria framework
Output Quality
Accuracy, polish, and usefulness of what the tool produces.
Ease of Use
Onboarding friction, UI clarity, time to first useful result.
Pricing Value
Output per dollar at the realistic monthly cost for a typical user.
Feature Depth
Breadth and maturity of capabilities relative to category leaders.
Integrations
Native integrations, API quality, and ecosystem coverage.
Reliability
Uptime, output consistency, and battle-test through scale.
Trajectory
Recent product velocity and momentum vs the category.
Scores are editorial assessments based on hands-on testing and verified user data. They do not reflect affiliate relationships. How we score.
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We do not ask you to take our word for it. Each link below opens the same product on an independent review or launch platform. Use these for a second opinion before deciding.
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Socket on MytheAi
Compared with Socket (1)
- Socket vs Snyk →tie
Socket and Snyk are complementary rather than competing tools, but they are often evaluated against each other for open source security budgets. The distinction is fundamental: Snyk detects known vulnerabilities in dependencies by matching against a CVE database - it is retrospective, identifying packages that are already known to be vulnerable. Socket detects malicious behavior in package source code before vulnerabilities are published - it is proactive, blocking packages that exhibit supply chain attack patterns. The 2021 ua-parser-js and 2022 node-ipc incidents - malicious code injected into legitimate packages - would have been caught by Socket and missed by Snyk (no CVE exists for malicious intent). For comprehensive open source security, organizations should run both: Snyk for known vulnerability management, Socket for supply chain integrity.
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Alternatives to Socket
See all 8 →Frequently Asked Questions
Is Socket free?▼
Socket offers a free tier with limited features. Paid plans start from $19/month.
What is Socket best for?▼
Socket is best suited for: Detecting malicious open source packages in the npm registry before they reach production, Enforcing supply chain security policies across engineering teams via GitHub PR checks, Auditing dependency trees for packages with characteristics that predict future compromise.
How does Socket compare to alternatives?▼
Socket holds a rating of 4.5/5 from 389 reviews. Browse our comparison pages to see detailed side-by-side breakdowns against similar tools.
What does Socket cost?▼
Socket starts at $19/month and includes a free tier. Pricing may vary by plan and region - always verify on the official site.
Reviewed by
John Ethan
Founder & Editor-in-Chief
Founder of MytheAi. Tracking and reviewing AI and SaaS tools since January 2026. Built MytheAi out of frustration with pay-to-rank listicles and SEO-driven AI directories that prioritize ad revenue over honest guidance. Hands-on testing across 500+ tools to date.
Socket Review (2026): Is It Worth It?
Socket is a freemium tool with a free tier available. It holds a rating of 4.5/5 based on 389 reviews.
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