Best of

Best 20 Code Quality, Security and Code Review Tools for GitHub in 2026

Code quality, security and code review tools that integrate with GitHub.

By Cláudia FernandesUpdated 2026-10-02

GitHub is the most widely used git hosting platform, which also makes it the one with the widest selection of review and security tooling. Most tools here integrate as a GitHub App, reading pull requests and posting review comments, status checks and merge-gate decisions directly on the PR.

GitHub also sells its own tooling, so a fair comparison includes it. Dependabot raises dependency alerts and upgrade pull requests, the paid Code Security and Secret Protection add-ons cover CodeQL static analysis and secret scanning with push protection, GitHub Code Quality flags maintainability and reliability issues, and Copilot code review adds AI review comments for teams on a Copilot plan. Staying first-party means one fewer vendor to approve, no extra app permissions and findings in a single place.

On the other side, GitHub doesn't document test coverage tracking, complexity or duplication metrics, reachability analysis for dependency findings, or scanning for Terraform and container images, and teams that also host code on GitLab or Bitbucket need a separate setup there. Specialized tools are usually brought in for one of those gaps, or for more depth in a single area, at the cost of another vendor and another set of permissions. The useful comparison is capability by capability, against what your team actually needs.

What to look for

Whether the tool installs as a GitHub App (repo-scoped permissions) or asks for a personal access token with broader access
Whether it duplicates a capability GitHub Advanced Security or Copilot already covers on your current plan
GitHub Marketplace listing and pricing, if you'd rather billing go through GitHub directly
Rate-limit behavior on large monorepos or high pull-request volume

Best 20 code quality, security and code review tools for GitHub

Every tool in the directory documented as integrating with GitHub. Shown in a random order that changes on every visit, so no tool gets an advantage from its position.

Code Security Platform

Aikido

Application security platform spanning code, cloud, container and runtime scanning with AI triage, autofix and automated pentesting.

AI Coding Agent

ChatGPT / Codex

OpenAI's Codex coding agent with an agentic diff/PR reviewer plus a separate Codex Security scanning agent (CLI, SDK, cloud).

Code Security Platform

Checkmarx One

Application Security Posture Management platform bundling SAST, SCA, IaC, container, API, secret, and DAST scanners under one risk model.

AI Coding Agent

Claude Code

Anthropic's agentic coding tool with a managed GitHub PR review service, local review commands, and security-scanning plugins.

Code Quality Platform

Codacy

Code quality and security platform aggregating third-party analyzers across 40+ languages, with SAST, SCA, secrets, coverage and a free IDE extension.

PR Review Tool

CodeAnt AI

AI pull-request review platform bundling SAST, SCA, secrets, IaC and multi-cloud posture scanning with IDE and CLI review.

PR Review Tool

CodeRabbit

AI pull request reviewer layering 57 third-party linters and a separately metered AI Deep Scan, plus IDE extension and CLI.

Code Quality Platform

CodeScene

Behavioral code analysis platform scoring Code Health, hotspots, knowledge distribution and delivery risk from version-control history.

Code Security Platform

Corgea

AI-native AppSec platform (BLAST SAST) that finds business-logic vulnerabilities across code, dependencies, containers and IaC, and ships AI-generated pull-request fixes.

PR Review Tool

Cursor (Bugbot)

Cursor's PR review layer: Bugbot diff review, Security Agents, PR routing/approval and a PR/merge-queue workspace.

Code Quality Platform

DeepSource

Static analysis and code security platform that reviews every commit and PR, with an AI review agent and Autofix remediation.

AI Coding Agent

Gemini Code Assist

Google Cloud's AI coding assistant for IDEs and Google Cloud, with a GitHub app posting PR summaries and severity-tagged reviews.

Code Security Platform

GitHub Advanced Security

GitHub-native AppSec sold as two add-on SKUs — Secret Protection and Code Security — with CodeQL SAST, Dependabot SCA, secret scanning.

PR Review Tool

Greptile

AI pull request reviewer that indexes the whole repository graph for context and can execute PR code in a sandbox.

Code Quality Platform

Qlty

GitHub-only static analysis, security scanning and code coverage platform, split between a free open-source CLI and hosted Qlty Cloud.

PR Review Tool

Qodo

AI pull-request review platform with multi-agent review, rules mined from PR history, and remediation agents across four Git providers.

Code Security Platform

Semgrep

Open-source pattern-matching SAST engine plus a commercial AppSec Platform adding SCA, secrets detection, policy governance and AI triage.

Code Security Platform

Snyk

Developer security platform covering SAST, SCA, container, IaC, secrets and DAST scanning with risk scoring and automated fix PRs.

Code Quality Platform

SonarQube

Code quality and security analysis platform for 40+ languages, delivered as SonarQube Cloud SaaS or self-managed SonarQube Server.

Code Security Platform

Veracode

Enterprise AppSec platform spanning SAST, SCA, DAST, container/IaC scanning, AI auto-remediation, ASPM risk management, and developer training.

Other platforms

GitHub Enterprise Server GitLab GitLab Self-Managed Bitbucket Bitbucket Data Center Azure DevOps

FAQ

What are the best code quality, security and code review tools for GitHub?

All 20 tools in this directory document a GitHub integration:

Aikido ChatGPT / Codex Checkmarx One Claude Code Codacy CodeAnt AI CodeRabbit CodeScene Corgea Cursor (Bugbot)DeepSource Gemini Code Assist GitHub Advanced Security Greptile Qlty Qodo Semgrep Snyk SonarQube Veracode

Which fits best depends on your setup. The guidance on this page covers what to weigh.

How many tools integrate with GitHub?

All 20 tools in this directory integrate with GitHub.

What should you check when choosing code quality, security and code review tools for GitHub?

Four things:

Whether the tool installs as a GitHub App (repo-scoped permissions) or asks for a personal access token with broader access
Whether it duplicates a capability GitHub Advanced Security or Copilot already covers on your current plan
GitHub Marketplace listing and pricing, if you'd rather billing go through GitHub directly
Rate-limit behavior on large monorepos or high pull-request volume