spot - Manage all your cryptocurrencies in one place
DocFetcher - DocFetcher is a portable German/English open source desktop search application.
ack - Ack is designed as a standalone (one perl file) replacement for 99% of the uses of grep.
SMF – Search my Files - SMF - Search my Files v13 is the fastest duplicate files finder and a multi-dimensional - file searcher, - file copier / mover, - file deleter / eraser, - and
The Silver Searcher - A code searching tool similar to ack, with a focus on speed.
Everything by Voidtools - Everything. Locate files and folders by name instantly. Everything. Small installation file. Clean and simple user interface.