Code Quality platforms continuously analyze source code for maintainability issues, anti-patterns, duplication, cyclomatic complexity, and convention violations — providing gates in PR workflows that surface issues before merge and dashboards that track codebase health over time. Core capabilities include static analysis across many languages, quality gates tied to PR checks, technical-debt quantification, hotspot analysis (which files change most and carry the most risk), test-coverage integration, and historical trend reporting. The category overlaps operationally with SAST (security-focused static analysis); leading vendors such as SonarQube/SonarCloud straddle both with unified products. Other representative vendors include Codacy, Code Climate, DeepSource, Qodana (JetBrains), and CodeScene.