Devtools
Stale Feature Flag Finder
Find feature flags that are fully rolled out and can be removed
Beginner10h1
Node.jsTree-sitterGitHub API
16/20Find unused exports, files and functions safely.
Build Dead Code Finder for developers cleaning up codebases in ~14h with 1 person. Stack: Tree-sitter + Node.js.
Why it wins: Measurable cleanup.
| Tech | Role | |
|---|---|---|
| Tree-sitter | Code parsing | Tool |
| Node.js | Backend runtime | Backend |
Open-source projects you can build on. Links checked 2026-10-31.
Devtools
Find feature flags that are fully rolled out and can be removed
Devtools
Record step-by-step tours through a codebase that newcomers can follow
Devtools
Explore a codebase as a map of modules, dependencies and owners