KatSearch is a work in progress and currently only available as an alpha release. Some things will be broken. Caveat emptor!

Mac power-user app to quickly find files on entire APFS and HFS+ volumes by scanning the file system catalog.

KatSearch is written by: Sveinbjörn Þórðarson

Features

Unlike Spotlight, KatSearch performs no indexing and only looks at filenames, not content. It uses a fast low-level kernel call to search the entire file system via the APFS or HFS+ file system catalog.

Fast, native, modern macOS app with a responsive, powerful, no-nonsense interface
Displays live search results
Scans the actual file system, not just the userland files Apple wants you to see
Can run with admin privileges to find all files irrespective of permissions
Ubiquitous native drag and drop behaviour, with hooks into Finder actions/services via contextual menu
Supports all the standard Finder keyboard shortcuts for file actions
Search windows can be invoked using a global hotkey
Includes searchfs, a command line tool counterpart
Free, open source software written in Objective-C/Cocoa