Checkout the list of 70 Most Useful and Interesting Free Software’s for Geeks. The list only contains the Free software’s which are less known.

NASA’s World Wind

World Wind, similar to Google Earth lets us zoom from satellite altitude into any place on Earth. Leveraging Landsat satellite imagery and Shuttle Radar Topography Mission data. homepage


Dasher

Dasher is an information-efficient text-entry interface, driven by natural continuous pointing gestures. Dasher is a competitive text-entry system wherever a full-size keyboard cannot be used for example, when operating a computer one-handed, by joystick, touch screen, trackball, or mouse; when operating a computer with zero hands, i.e., by head-mouse or by eye tracker. homepage


Tomodachi

Tomodachi aims to provide Orkut's users a graphical way to visualize their network of friends and friends of friends. homepage


Tor

Tor is a network of virtual tunnels that allows people and groups to improve their privacy and security on the Internet. It also enables software developers to create new communication tools with built-in privacy features. Individuals can use it to keep remote Websites from tracking them and their family members. They can also use it to connect to resources such as news sites or instant messaging services that are blocked by their local Internet service providers. homepage


jHomenet

jHomenet is a home automation application. jHomenet uses both X-10 and Dallas Semiconductor 1-Wire network sensors and devices to collect sensor data and control devices. jHomenet can be programmed to respond to events, including particular sensor data values or time-of-day events. homepage


Antiword

Antiword is a free MS-Word reader for Linux, RISC OS, and DOS. It converts the documents from Word 2, 6, 7, 97, 2000, 2002, and 2003 to text, Postscript, and XML/DocBook. Antiword tries to keep the layout of the document intact. homepage



HTTrack

HTTrack is an easy-to-use offline browser utility. It allows us to download a World Wide Web site from the Internet to a local directory, building recursively all directories, getting HTML, images, and other files from the server to your computer. HTTrack arranges the original site's relative link-structure. Simply open a page of the "mirrored" website in your browser, and you can browse the site from link to link, as if you were viewing it online. homepage


Just For Fun Network Management System

Just For Fun Network Management System is a PHP-based network management system that features an integrated syslog, Tacacs, TFTP configuration downloading, SNMP polling, SNMP traps, auto-discovery, performance graphs [RRD], SLAs, and a lot more. It uses MySQL or PostgreSQL as the backend and works under Linux and Windows. homepage



eSpeak: speech synthesis

Text to Speech engine for good quality English, with support for other languages. Compact size and clear pronunciation. It speaks text files and also operates as a "talker" within the KDE TTS system as an alternative to Festival. homepage


imgSeek

imgSeek is a photo collection manager and viewer with content-based search. The query is expressed either as a rough sketch painted by the user or as another image we supply. The searching algorithm makes use of multi-resolution wavelet decomposition of the query and database images. homepage


Gammu

Gammu [formerly known as MyGnokii2] is a cellular manager for various mobile phones/modems. It supports a wide variety of Nokia, Symbian, and AT devices [Siemens, Alcatel, Falcom, WaveCom, IPAQ, Samsung, SE, and others] over cables, infrared, or BlueTooth. It contains libraries with functions for ringtones, phonebook, SMS, logos, WAP, date/time, alarm and calls. homepage


CMU Sphinx

Sphinx is a speaker-independent large vocabulary continuous speech recognizer. It is also a collection of open source tools and resources that allows researchers and developers to build speech recognition systems. homepage


Barcode Writer in Pure Postscript

Barcode Writer in Pure Postscript implements the printing of many barcode formats entirely within level 2 PostScript, so that the process of converting the input string into the printed output is performed by the printer itself. This avoids the need to re-implement the barcode generation process whenever your language needs change. The project supports most major barcode formats including EAN-13, EAN-8, UPC-A, UPC-E, ISBN, Code 128 [A, B, and C], Code 39, Interleaved 2 of 5, Postnet, Code 2 of 5. homepage



Apache Toolbox

Apache Toolbox provides a means to easily compile Apache [IPv4/6] SSL, PHP[v3/v4], MySQL, Jakarta, a large number of modules [61 3rd party modules and 36 default Apache modules, static or as DSOs], and GD libraries with PNG+JPEG+Freetype2+zlib support. It is fully customizable and menu-driven. homepage



DataVision

DataVision is a reporting tool similar to Crystal Reports, written in Java. It supports multiple data sources [JDBC, text files] and output formats [HTML, XML, PDF, LaTeX, comma- and tab-separated data files, and DocBook]. It lets us design reports with a drag-and-drop GUI. Report descriptions are stored as XML. homepage



Lintouch

Lintouch is an implementation of HMI [Human Machine Interface] or MMI [Man Machine Interface] software framework. It features a server/client architecture, componentized design, and is platform and architecture independent. The Lintouch architecture allows us to develop our own connectivity plug-ins and visualization objects. homepage



PDF creator

Install as a printer driver to save documents ad PDF files. homepage



PW-Gen

Generates secure passwords with key lengths 64 to 128 bits. homepage


Launchy

Launchy is a windows utility designed to help us forget about our start menu, our desktop icons, and our file manager. Launchy indexes and launches our applications, documents, project files, folders, and bookmarks with just a few keystrokes! homepage



iBookshelf

iBookshelf is an application for cataloging your book collection and designing bookshelves based on this data. It supports ISBN entry using a CueCat, a standard barcode scanner, or manual entry. Book data is automatically fetched from Amazon Web services. Manual book entry is possible for non-catalogued books. Bookshelf design is done graphically with the Cairo drawing library, and is based on the most efficient book order. homepage




Funkyou

Funkyou is a solution for DJs that includes MP3 mixing, light controlling via an RS-232 or DMX interface, WAV samples, and a crossfader. It is designed for easy use, and can function optionally with a touchscreen. It has support for radio DJs and a switchable speaking clock. homepage



Hasciicam : ASCII Video on the Web

Hasciicam makes it possible to have live ASCII video on the Web. It captures video from a TV card and renders it into ASCII, formatting the output into an HTML page with a refresh tag or in a live ASCII window or in a simple text file as well, giving anyone that has a bttv card, a Linux box, and a cheap modem line the ability to show a live asciivideo feed that can be browsable without need for any plug-in. homepage



Magellan Metasearch

Magellan Metasearch is a modular Meta search engine, enabling users to monitor as many search engines, as they want. It enables users to perform far more complex. Magellan enables you to save your requests and replay them later automatically; new results are sent through email and RSS in realtime. Magellan also provides full anonymity through smart multi-proxy support. homepage



Ascii Generator dotNET

Ascii Generator dotNET is an application to convert images into high quality ASCII art, text that accurately represents the original image. The first program of its kind to support variable width fonts, and real-time output adjustment. homepage


TV-Browser

TV-Browser is a Java-based TV guide, which is easily extensible using plug-ins. It is designed to look like a paper based TV guide. homepage



Winpooch Watchdog

Winpooch is a watchdog for Windows [2000, XP, 2003, but only 32-bits]. It detects modifications in our system, so as to detect a Trojan or a Spyware installation. It also includes a real-time anti-virus. homepage



Eraser

Eraser is a secure data removal tool for Windows. It completely removes sensitive data from our hard drive by overwriting it several times with carefully selected patterns. homepage


Opensurveypilot

Opensurveypilot is a strong opensource webbased system for generating complete online surveys, polls. homepage


Social Networks Visualiser

Social Networks Visualiser (SocNetV) is an SNA tool for Linux. With it we can draw a network or load an existing one. It computes social network properties, centralities and implements some layout algorithms. homepage


Gant project

Gant project manger helps to creating time planning and resource allocation charts. homepage


GNUPG

Encryption software for emails with add-ons for mail clients. homepage


KeePass Password Safe

KeePass Password Safe is a lightweight and easy-to-use password manager for Windows. We can store our passwords in a highly encrypted database, which is locked with one master key or key-disk. homepage


Desktop-data-manager

Desktop-data-manager includes a clipboard history for many different types of contents like [text, images], an application to take screenshots from a single window, rectangle of the screen or the whole desktop and a download manager. homepage

Searchmonkey

Searchmonkey a powerful text searches on Linux using regular expressions for both the file name, and the search text. Graphical equivalent of find + grep. homepage

K-3D

K-3D is a 3D modeling, animation, and rendering system. homepage


Ellogon

Ellogon is a Multi-lingual, cross-platform, general-purpose language engineering environment, developed in order to aid both researchers who are doing research in computational linguistics, as well as companies who produce and deliver language engineering systems. As a language engineering platform, it offers an extensive set of facilities, including tools for processing and visualising textual/HTML/XML data and associated linguistic information, support for lexical resources (like creating and embedding lexicons), tools for creating annotated corpora, accessing databases, comparing annotated data, or transforming linguistic information into vectors for use with various machine learning algorithms. homepage


ZABBIX

ZABBIX is an enterprise-class open source distributed monitoring solution for networks and applications. ZABBIX native high-performance agents allows monitoring of performance and availability data of all operating systems. homepage


Jajuk

Jajuk is a jukebox for all platforms. It provides a fully featured application to advanced users with large or scattered music collections. homepage


LCARS 24

Starfleet GUI, full-screen alarm clock and calendar, games, utilities, simulations, and graphical reference library, w/ file manager, viewers, players. Requires a TrueColor Win 9x or DOS-only laptop with standard graphics card and Sound Blaster. homepage


SocLab : the sociology laboratory

SocLab provides a virtual laboratory for social scientists who need to create and to run social organization simulations. It is related to the works lead by Sibertin-Blanc and Roggero on the formalization of the Sociology of Organized Action. homepage


GnuWin32

GnuWin32 provides Win32-versions of GNU tools, or tools with a similar open source license. The ports are native ports that are rely only on libraries provided with any 32-bits MS-Windows operating system. homepage


Dr. Divx

Dr. Divx makes it easy to create movies in AVI format. homepage


JTrac

JTrac is a generic issue-tracking web-application that can be easily customized by adding custom fields and drop-downs. Features include customizable workflow, field level permissions, e-mail integration, file attachments and a detailed history view. homepage



A Note

A Note helps to fix notes to the windows desktop. It also supports the alarm features. homepage


True Crypt

True Crypt, encrypts files and partitions as well as USB sticks, Zip drives and floppies. homepage

LionShare

LionShare is a secure P2P file sharing application for higher education, enabling legal file sharing for Penn State university and beyond.. Find and share legal academic content in a secure P2P environment. homepage


Blue Fish

Bluefish is a powerful editor for experienced web designers and programmers. Bluefish supports many programming and markup languages, but it focuses on editing dynamic and interactive websites. See features for an extensive overview, take a look at the screenshots, or download it right away. Bluefish is an open source development project, released under the GNU GPL licence. homepage


Aethera

It provides calendar, address book, to-do list with reminder function and also an email client. homepage

Crystal Space 3D SDK

Crystal Space is an Open Source 3D SDK for Unix, Windows, MAC OS/X. It renders with OpenGL or software and features curved surfaces, volumetric fog, dynamic colored lighting, terrain engine, LOD, procedural textures, portals, etc. homepage



Util-linux

Util-linux is a suite of essential utilities for any Linux system. It contains the following big bunch of utility programs like addpart, agetty, blockdev, cal, cfdisk, chfn, chkdupexe, chrt, chsh, col, colcrt, colrm, column, ctrlaltdel, cytune, ddate, delpart, display-services, dmesg, elvtune, fastboot, fasthalt, fdformat, fdisk, flock, fsck.cramfs, fsck.minix, getopt, halt, hexdump, hwclock, initctl, ionice, ipcrm, ipcs, isosize, kill, last, line, logger, login, look, losetup, mcookie, mesg, mkfs, mkfs.bfs, mkfs.cramfs, mkfs.minix, mkswap, more, mount, namei, need, newgrp, partx, pg, pivot_root, provide, ramsize, raw, rdev, readprofile, reboot, rename, renice, reset, rev, rootflags, script, scriptreplay, setsid, setterm, sfdisk, shutdown, simpleinit, swapoff, swapon, taskset, tailf, tunelp, ul, umount, vidmode, vipw, wall, whereis, and write. homepage


Egotistics

Egotistics is a social network analysis program that allows users to simultaneously explore multiple personal networks [called 'ego networks']. homepage


BO2K

BO2K is a remote administration tool for Windows systems. It comes with a client and a server. The server is lightweight and unobtrusive. A dynamic plug-in architecture allows for easy system extension. homepage


Art of Illusion

Art of Illusion is a full-featured 3D modeling, rendering, and animation studio. It is written entirely in Java, and can run on almost any operating system. homepage


Ant Movie Catalog

Ant Movie Catalog, catalogues our DVD movie collections and add extra notes to our movie information. homepage



OpenSong

OpenSong is a free software application for managing chords and lyrics sheets [lead sheets], presenting lyrics [and custom slides] using a projector. Great for worship leaders and musicians! homepage


DrawPile

DrawPile is a collaborative drawing program, similar to OpenCanvas. homepage


Enblend

Enblend blends away the seams in a panoramic image mosaic using Multi-resolution grids. homepage


Amaya

Amaya is basically a Web editor, to create and update documents directly on the web. It also integrates and acts as a browser. homepage


CDex

CDex converts audio CDs to wav format or saves them as mp3 files. homepage


Clam Win

Clam Win, checks for macros, viruses and file attachments. homepage


Cool Player

Cool player with ripper for Ogg, MP3 and wav files. homepage

AWStats

AWStats is a powerful and featureful server logfile analyzer that shows us all our Web/Mail/FTP statistics including visits, unique visitors, pages, hits, rush hours, OS, browsers, search engines, keywords, robots visits, broken links. homepage


Dia

Dia helps to create dataflow diagrams and flow charts from pre-designed symbols. homepage


Egroupware

Multi-user PHP groupware with CMS, Mail an address book and a calendar. homepage


Health Monitor

Monitors window's stare of readiness and sounds an alarm if there are problems. homepage


Keepass

Manages and generates and copies secure passwords to a database. homepage


Virtual Dub

Virtual Dub is an advanced video editor for AVI movie files. It provides more features to change the movie content. homepage


SSL-Explorer

SSL-Explorer is a web-based SSL VPN server. This practicable remote access security solution includes SSL tunneling, intranet website proxying, access to multiple file systems and application launching/tunneling through a standard browser. homepage


MoneyBee

MoneyBee is a screensaver application that uses both P2P and neural networking to analyze stock-market information with the ultimate aim of predicting the possible future trends. homepage


Note:

• Please read the project documentation before you try it.
• If a particular project interests you much please do join in and try to contribute to the particular open source project with your expertise.