Alternatives to regain for all platforms with any license

YaCy

YaCy is a free search engine that anyone can use to build a search portal for their intranet or to help search the public internet. When contributing to the world-wide...

Free Open Source Mac Windows Linux Web Self-Hosted
Decentralized Peer-To-Peer Anonymity Privacy focused Add a feature

112 Like
DocFetcher

DocFetcher is a portable German/English open source desktop search application. It allows you search the contents of documents on your computer. - You can think of it as...

Free Open Source Mac Windows Linux
Search-in-files File content indexing Full text search Indexed search ... Online Photo Editor Reads odt files File Searching Portable Search in Archives Semantic Search Shared folders Add a feature

100 Like
FSearch

FSearch is a fast file search utility for GNU/Linux operating systems, inspired by Everything Search Engine. It's written in C and based on GTK+3. Note: The...

Free Open Source Linux
Indexed search Support for regular expressions File Searching Add a feature

38 Like
Agent Ransack

Agent Ransack is a tool for finding files and information on your hard drive fast and efficiently. .

Freemium Windows
Context Menu extension File management File Searching Outlook search ... Search-in-files Add a feature

98 Like
Recoll

This package is a personal full text search package which is based on a very strong backend (Xapian), for which it provides an easy to use and feature-rich interface. ...

Free Open Source Mac Windows Linux BSD
File Searching Indexed search File content indexing Search-in-files ... File preview File Searching Full text search Low memory usage Semantic Search Add a feature

43 Like
FileLocator

FileLocator Lite enables you to locate files on your pc. It performs a thorough and quick search for any file you want to find. It is a free reduced functionality...

Freemium Windows
Support for 64 bit Support for Double-byte languages File Searching Support for Multiple threads ... Support for regular expressions Add a feature

31 Like
Search Monkey

A fast real-time search engine for displaying regular expression matches (both file name and content) across multiple directories. Written in JAVA it is highly...

Free Windows Linux BSD
Real-Time Search Content Searching File Searching Portable Add a feature

28 Like
RecentX

RecentX is an innovative launcher that gives you instant access to your files, folders, programs, websites & clipboard history. It automatically remembers your...

Commercial Windows
Program Launchers Desktop Environment File Searching Bookmark History ... Clipboard monitoring Drag n drop Duplicate File Finder Windows Explorer integration File Tagging Folder-Search Folder Tagging Indexed search Local Search Portable Image Preview Tabbed interface Tag based Add a feature

97 Like
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Locate32

Locate32 is software which can be used to find files from your harddrives and other locations. It works like updatedb and locate commands in Unix based systems. In other...
- Discontinued
  The project seems to be no longer developed. Last version, 3.1.11.8220a, released in May 2015, can be still downloaded from SourceForge.
Free Open Source Windows
Auto Indexing File management File Searching Add a feature

80 Like
SwiftSearch

SwiftSearch is a lightweight program whose purpose is to help you quickly find the files you need on your Windows machine without ever requiring you to index your...

Free Open Source Windows
File management File Searching Persistent Linux Add a feature

14 Like