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CodeQL alternatives: 3 apps ranked by verified data

Facts checked Nov 1, 2026AppBreakup editorialHow we rank

Common reasons people leave CodeQL: private, commercial use requires a paid GitHub Code Security licence, and QL query language takes real effort to learn. We ranked 3 alternatives by how directly each one replaces CodeQL, then by reviews, real visits and how recently each app's facts were checked against its own website. Semgrep currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Semgrep logoSemgrepFree plan + paidYesWeb, Windows, macOS +14 of 466.5
  1. Semgrep logo

    1. SemgrepTop pick

    Best for: Teams that want fast CI scans and easy-to-write custom rules

    Free plan + paidOpen sourceWeb, Windows, macOS, Linux

    66.5

    score / 100

    Why switch from CodeQL

    Rules look like the code they match, so custom checks are far quicker to write than QL.

    Pros

    • Rules are written in code-like patterns that are easy to read
    • Open-source CLI runs anywhere, including locally
    • Free edition covers small teams on the hosted platform
    • SAST, dependency and secrets scanning in one product

    Cons

    • Cross-file analysis and Pro rules need the commercial engine
    • Free edition is capped at 10 contributors
    • Paid products are billed separately per contributor
    Visit Semgrep Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Semgrep a good CodeQL alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Up to 10 contributors
    Checked Nov 1, 2026semgrep.dev(opens source in a new tab)
    Starting price
    $30 per contributor/month
    Checked Nov 1, 2026semgrep.dev(opens source in a new tab)
    License
    LGPL-2.1
    Checked Nov 1, 2026github.com(opens source in a new tab)
    Languages
    35+
    Checked Nov 1, 2026semgrep.dev(opens source in a new tab)

The best CodeQL alternative for…

The highest-ranked app in this list for each need.

Semgrep logo

Best CodeQL alternative for most people

Semgrep

Rules look like the code they match, so custom checks are far quicker to write than QL.

SonarQube logo

Best CodeQL alternative for a free plan you can upgrade

SonarQube

Covers code quality and security together, and can be self-hosted outside GitHub.

Semgrep logo

Best CodeQL alternative for open source

Semgrep

Rules look like the code they match, so custom checks are far quicker to write than QL.

SonarQube logo

Best CodeQL alternative for self-hosting

SonarQube

Covers code quality and security together, and can be self-hosted outside GitHub.

Snyk logo

Best CodeQL alternative for Mac

Snyk

Bundles code scanning with dependency, container and IaC checks in one platform.

Semgrep logo

Best CodeQL alternative for Windows

Semgrep

Rules look like the code they match, so custom checks are far quicker to write than QL.

Semgrep logo

Best CodeQL alternative for Linux

Semgrep

Rules look like the code they match, so custom checks are far quicker to write than QL.

Semgrep logo

Best CodeQL alternative for working in the browser

Semgrep

Rules look like the code they match, so custom checks are far quicker to write than QL.

CodeQL alternatives: common questions

What is the best alternative to CodeQL?

Semgrep ranks first right now. Rules look like the code they match, so custom checks are far quicker to write than QL. SonarQube and Snyk follow it in our ranking.

Is there a free alternative to CodeQL?

Yes. Semgrep (free plan + paid), SonarQube (free plan + paid) and Snyk (free plan + paid) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to CodeQL?

Yes: Semgrep and SonarQube. SonarQube can also be self-hosted.

Which CodeQL alternatives work on Linux?

Semgrep and Snyk run on Linux.

Why do people switch from CodeQL?

The complaints we hear most: private, commercial use requires a paid GitHub Code Security licence; QL query language takes real effort to learn; compiled languages need a working build to create the database.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces CodeQL, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.