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Codebase intelligence for TypeScript and JavaScript. Free static layer: unused code, duplication, circular deps, complexity hotspots, architecture boundaries. Optional paid runtime layer: hot-path review and cold-path deletion evidence from real production traffic. Rust-native, sub-second, zero-config framework support.

3,572 starsRust

Fallow – Find unused code, duplication, and complexity in TS/JS (Rust)

by bartwaardenburg·Mar 27, 2026·4 points·2 comments
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AI Analysis

●●SolidSlickSolve My Problem

Sub-second dead code detection in Rust when ESLint and TypeScript already exist.

Strengths
  • •Rust-native performance: 847 files analyzed in 53ms total
  • •Zero config with 84 framework plugins working out of the box
  • •Auto-fix dry-run for removing dead exports and dependencies
Weaknesses
  • •Dead code detection already built into TypeScript compiler and IDEs
  • •No clear differentiation from ESLint unused-import rules
Target Audience

TypeScript/JavaScript developers, engineering teams managing large codebases

Similar To

ESLint · TypeScript compiler · SonarQube

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