Blink - Code Search - Download blink-code-search for free. Instant code search, source locator, index management multiple project. Instant code search, source files locator. Index management for multiple projects.
Krugle - Krugle is the complete enterprise solution for search targeted to the development organization.
DocFetcher - DocFetcher is a portable German/English open source desktop search application.
OpenGrok - OpenGrok is a fast and usable source code search and cross reference engine.
Everything by Voidtools - Everything. Locate files and folders by name instantly. Everything. Small installation file. Clean and simple user interface.
Sourcegraph - Sourcegraph is a free, self-hosted code search and intelligence server that helps developers find, review, understand, and debug code. Use it with any Git code host for teams from 1 to 10,000+.