Everything by Voidtools - Everything. Locate files and folders by name instantly. Everything. Small installation file. Clean and simple user interface.
Modern CSV - A CSV editor/viewer
DocFetcher - DocFetcher is a portable German/English open source desktop search application.
Tablecruncher - This lightweight, yet powerful CSV editor for Apple Mac helps you crunch all your tabular data.
Recoll - Recoll is a desktop full-text search tool. Recoll finds keywords inside documents as well as file names.
Rons Data Edit - Rons Data Edit is a professional CSV and Tabular Text Editor for Windows that provides a wealth of tools. The power and speed of the application allows to handle large files with ease.