fallow

# Fallow: codebase intelligence for JavaScript and TypeScript Codebase intelligence for JavaScript and TypeScript. The free static layer reports quality, changed-code risk, cleanup opportunities, circular dependencies, code duplication, complexity hotspots, architecture boundary violations, feature flag patterns, and opt-in security candidates. Runtime coverage merges production execution data into the same `fallow health` report for hot-path review, cold-path deletion confidence, and stale-flag evidence, with a single local capture available by default and continuous/cloud runtime monitoring available as an optional mode. 122 framework plugins, zero configuration, sub-second static analysis. ## When to Use - Finding cleanup opportunities (unused files, exports, types, enum/class members) - Finding unused or unlisted dependencies - Detecting code duplication and clones - Checking code health and complexity hotspots - Cleaning up a codebase before a release or refactor - Auditing a project for structural issues - Setting up CI quality gates or duplication thresholds - Auto-fixing unused exports and dependencies - Detecting feature flag patterns (environment gates, SDK calls, config objects) - Investigating why a specific export or file appears unused ## When NOT to Use - Runtime error analysis or debugging - Type checking (use `tsc` for that) - Linting style or formatting issues (use ESLint, Biome, Prettier) - Verified security vulnerability scanning or SAST. `fallow secu...