Free desktop search software for linux

Kat is an application for KDE designed to index files. Meta information, fulltext and thumbnails are extracted from documents, images, mp3 and other media allowing quick and accurate information retrieval.
Similar to the Windows application WhereIsIt, but also similar to Google Desktop Search, Kat is completely written in C++, using Qt3, KDE and KIO libraries.
The application is based on the extensible kfile plugin architecture of KDE in order to facilitate the creation of new media managers for emerging file formats.
Kat is the first KDE application using the new fulltext kfile plugins.
Information retrieval relies on the powerful SQLite3 embedded database engine.
Supported document formats for full text search:
Documents:
- Adobe PDF Portable Document Format (1.5)
- DOC Microsoft Word Document (2, 6, 7, 97, 2000, 2002 and 2003)
- HTML HyperText Markup Language
- SXW OpenOffice 1.3 Writer Text Document
- SXI OpenOffice 1.3 Impress Presentation
- SXC OpenOffice 1.3 Calc Spreadsheet
- SXM OpenOffice 1.3 Math Formula
- ODT OpenOffice 2.0 Writer Text Document
- ODP OpenOffice 2.0 Impress Presentation
- ODC OpenOffice 2.0 Calc Chart
- ODF OpenOffice 2.0 Math Formula
- Plain Text
Images:
- BMP
- CGM
- DCX
- DIB
- FAX
- GIF
- ICO
- JPEG
- PBM
- PCD
- PCX
- PDB
- PGM
- PICT
- PIX
- PNG
- RGB
- RLE
- TGA
- TIF
- ...and other

POPsearch is a personal search engine that is designed to help you easily organize and find information on your computer. POPsearch lets you index your entire collection of email messages and files. This collection can then be searched remotely from any computer that has a web browser.
POPsearch has features thatre especially appealing to the programming community because it actively allows you to expose and classify data relationships.
Think of POPsearch as a new type of Relationship Engine for your daily flow of information.
With POPsearch, you can easily index your entire collection of email messages and files. This collection can then be searched from any type of web browser.
When POPsearch is configured correctly, you can also access your POPsearch data remotely from any computer that has a web browser.
POPsearch currently supports the following types of data:
- Ascii text
- FrameMaker documents
- LaTeX documents
- Microsoft DBX mailboxes
- Microsoft MBX mailboxes
- Microsoft PST mailboxes
- Microsoft Excel spreadsheets
- Microsoft Word documents
- PDF documents
- Postscript documents
- RTF documents
- Troff files
- WordPerfect documents
When the indexing is finished, the data is available for analysis with any web browser or in a batch mode from the command line.
The following features are available when POPsearch interacts with a web browser:
- If your computer maintains a connection to the Internet, you can access your POPsearch data remotely from any computer that has a web browser.
- The user can navigate through the entire collection of files and email.
- Popular sources of information are displayed as the user navigates through the data.
- References from/to files are expandable.
- The user can search the entire collection or specific directories.
- The user can also narrow the scope of the search to specific types of data or directories.
- The user can save searches, and mark the valuable items thatre contained in the search results.
- Search results can be expanded through the use of a thesaurus.
- Search results can also be expanded through the use of automatic spell checking.
- The system supports wild card searching (e.g. *string or string*).
- When viewing email topics, the user has the ability to "mine" the email for active and casual participants. For each participant, the user is able to determine the types of information that the user is most interested in.
- Email messages are automatically rated for positive or negative content.
- For every file and email message, the system displays a thumbnail representation of the data.
- The user is able to classify files, saved searches, email, and web sites into various personal research topics. The user also has the ability to search in their personal research.
- Comments can be attached to files and email messages.
- The user can apply personal ratings to files and email messages.
- A collection of themes allows the user to customize the look and feel of the POPsearch interface.
From the command line, POPsearch creates HTML output for CGI purposes, or XML output for other applications.
POPsearch is currently designed to run on *nix platforms.
POPsearch is licensed under the GNU General Public License, version 2.

NicE Desktop is a Debian-based, live Linux distribution. Being a live distribution, it runs from portable storage, such as a CD/DVD or USB flash drive. This operating system can be run in both text mode and graphical mode.

NicE Desktop comes with many programs for both recreational and administrative purposes. Its main goals are to be useful and entertaining while maintaining user-friendliness, as well as to provide a "complete" temporary operating system for any PC user.

Desktop Drapes is a wallpaper manager application for the gnome desktop.

It has features (period) Features like, randomly changing your wallpaper every once in a while, or whenever you fell like it.

It can also automaticaly pickup any wallpapers you added to a directory with the ninja magic of inotify. Desktop Drapes is written using C# (mono) with the help of Gtk#/Gnome#.

js-search is a javascript indexing and searching.

A client-side library for building a simple inverted index, and searching it.

You can download the source code from SVN with the following command:

svn checkout http://js-search.googlecode.com/svn/trunk/ js-search

Gnome Desktop Change is a daemon that changes randomly your GNOME desktop background.

Gnome Desktop Change is a daemon that changes randomly your GNOME desktop background. Its totally written in C++, it uses FAM (File Alteration Monitor) to detect changes into directory that contains picture files, and its multithread.

FOX Desktop is a lightweight desktop environment based on the FOX Toolkit.
It includes various tools and programs to make life easier. FOX Desktop includes a desktop and taskbar.
FOX Desktop is licensed under the GNU General Public License.
Enhancements:
- The taskbar has been replaced with a more general dockbar which can be docked on all sides of the screen.
- Furthermore, each dockbar may contain different kinds of applets which can be added or removed on the fly.
- This release contains a few builtin applets and one launcher applet which can be used to launch applications.

Debian Desktop Users Guide project is a guide which is targeted toward new Debian users.
It brings up-to-date and effective documentation to new Debian users.
This document is based on the Progeny users guide.
This guide is planned to be released in conjunction with Sarge.
Enhancements:
- sections 6.2.1 and 6.2.2 have been rewritten.