Alternatives to regain for all platforms with any license

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 OS X Windows Linux
Search-in-files File-search Indexed search Portability on many OS ... Portable Semantic Search Add a feature

79 Like
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
Decentralized Peer-To-Peer Anonymity Privacy focused ... Privacy protection Add a feature

89 Like
Agent Ransack

Agent Ransack is a tool for finding files and information on your hard drive fast and efficiently. When searching the contents of files Agent Ransack also displays the...

Freemium Windows
Context Menu extension File-search Outlook search Add a feature

86 Like
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...

Free Open Source Windows
Auto Indexing File-search Add a feature

78 Like
- 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.
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 Launcher File-search Bookmark History Clipboard monitoring ... Drag n drop Duplicate Files Finder Windows Explorer integration File tagging Folder-Search Folder Tagging Indexed search Local Search Portable Image Preview Tabbed interface Tag based Add a feature

92 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 OS X Windows Linux BSD
File-search Indexed search Search-in-files File preview ... File-search Full text search Low memory usage Semantic Search Add a feature

30 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-search Support for Multiple threads ... Support for regular expressions Add a feature

25 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-search Add a feature

20 Like
Searchmonkey

A fast real-time search engine for displaying regular expression matches (both file name and content) across multiple directories. Written in Gtk2 it is highly...

Free Open Source Windows Linux BSD
No features added Add a feature

21 Like
- Discontinued Not updated since May 2010. Website doesn't work either.
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-search Persistent Linux Add a feature

12 Like
Lookeen Desktop Search

A fast and next-generation desktop search and productivity tool for standard and virtual desktops, for private and enterprise search requirements. Finds documents...

Freemium Windows Microsoft Office Outlook
File-search Indexed search Outlook search Add a feature

83 Like
Archivarius 3000

Archivarius 3000 is a full-featured application to search documents and e-mail on the desktop computer, your local network and removable drives (CD, DVD). The documents...

Commercial Windows
File-search Indexed search Multiple languages Add a feature

15 Like
Index Your Files

Index Your Files allows you to search through all your files or folders on local or networked drives without remote admin rights (as necessary for the similar app...

Free Windows Linux Wine
File-search Portable Add a feature

15 Like
- Discontinued The program is no longer updated since 2012. Last version, 5.0.2.6, released in December 2010, can be still downloaded from the official website.
FileSeek

FileSeek is an easy-to-use file search app that includes advanced functionality for power users! Search through files using simple queries or regular expressions. You...

Free Windows
File-search Portable Add a feature

18 Like
Find Any File

Find Any File is a program for Apple's Mac OS X that lets you search for files on your disks.

Free Mac OS X
File-search Add a feature

11 Like