App: ProFind
Developer: Ross Tulloch
Genres: Utilities, Productivity

ProFind provides fast and powerful searches of any disks, beneath an elegant and extremely powerful interface.
With support for innovative natural language queries, application launching, saved searches, history, scripting and more, it's the only search app you'll ever need.

Feature List:

Natural language search queries.
Autocompletion for application names, command names and keywords.
Spotlight not required (except for Spotlight metadata searches).
Search inside invisible folders and packages.
Searches any disk type: Mac, Windows, servers, etc.
Supported search locations: home, mac disks, local disks, servers, individual disks, open Finder folders.
Search Saving and History.
Custom Groups. 
Exporting of search results to Text or CSV.
Search by: name, creation date, modification date, file extensions, tags, parent folders, kind, regex, wildcards and spotlight Metadata.
Exclude (-) words.
Hashes: md4, md5, sha1, sha224, sha256, sha384, sha512. (Show Advanced Info).
Full, non obscured, display of file paths with path diference highlighting.
Large icon view for one or two search results.
Spatial disk browsing (with saving of window positions, size, scroll position, etc).
Support for executing shell and AppleScripts on found items.
Highlighting of found words.
Sidebar featuring: Saved Searches, History, Favorites, Recent Items, Built-in searches for recent downloads and recent changes files.
Context menus: Sharing, Services, Open, Show In Finder, Get Info, Copy Path.
Quick access to favourite folders.
QuickLook previews.
Supports Dark Mode (10.14 Mojave).
Drag and drop out of the app.
Menu bar icon on/off.
Fully configurable system wide hot key.
Built in command reference.

Release notes:
For connected disks which have a cache, the cache is now always shown in the search location menu. This enables users to always search a disk's cache without searching the real connected disk.
Fixed a bug in regex processing.