knip
Find unused files, dependencies and exports in your TypeScript and JavaScript projects
jsinspect-plus
Detect copy-pasted and structurally similar code. Supports ES2020 standard (and most proposed features), TS and TSX files. Using Babel 8's parser.
antidup
Find and remove or rename duplicate files
pure-index
Pure Index is a tool for packages. It helps to clean your packages of unused exports with ease.