| | Open Source Software (freeware) for Linux, OSX and Windows. |
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| | Random Pick |
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OS |
 | | Ubuntu |  | 
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Download
Now | | Ubuntu Linux is an operating system, like Microsoft Windows or Mac OSX, but with the huge difference of being totally free and Open Source. It can be installed on basically any PC, Mac, or notebook. | | ... ubuntustory.com | |
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 | | redhat | |
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Now | | From the desktop to the datacenter, the security, stability, and reliability of the tested Red Hat enterprise solutions deliver unbeatable value to small and medium sized businesses. | | ... redhat.com | |
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 | | Fedora | |
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Download
Now | | Fedora is a Linux-based operating system that showcases the latest in free and open source software. Fedora is always free for anyone to use, modify, and distribute. | | ... fedoraproject.org | |
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 | | Debian | |
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Download
Now | | Debian GNU/Linux provides more than a pure OS: it comes with over 18,000+ packages, precompiled software bundled up in a nice format for easy installation on your machine. | | ... debian.org | |
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 | | Gentoo | |
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Download
Now | | Gentoo Linux is a special flavor of Linux that can be automatically optimized and customized for just about any application or need. Extreme performance, configurability and a top-notch user and developer community are all hallmarks of the Gentoo experience. | | ... gentoo.org | |
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 | | SUSE | |
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Download
Now | | SUSE Linux supports the most important workloads in the enterprise, and delivers UNIX-like performance and reliability for significantly less. | | ... novell.com/linux/ | |
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 | | CentOS | |
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Download
Now | | CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor. | | ... centos.org | |
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 | | Wine | |
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Download
Now | | Think of Wine as a compatibility layer for running Windows programs on Linux. Wine does not require Microsoft Windows, as it is a completely free alternative implementation of the Windows API consisting of 100% non-Microsoft code | | ... winehq.org | |
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Desktops |
 | | Beryl | |
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Download
Now | | Beryl is an OpenGL accelerated desktop that seeks to provide a free, open source desktop experience to the community that reflects the wishes of the users. Above all else, the project seeks to listen to and respond to the requests of the user base. | | ... beryl-project.org | |
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 | | Gnome | |
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Download
Now | | GNOME is Free Software and part of the GNU project, dedicated to giving users and developers the ultimate level of control over their desktops, their software, and their data. | | ... gnome.org | |
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 | | XFCE | |
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Download
Now | | Xfce is a lightweight desktop environment for various *NIX systems. Designed for productivity, it loads and executes applications fast, while conserving system resources. | | ... xfce.org | |
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 | | KDE | |
Screen
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Download
Now | | KDE or the K Desktop Environment, is a network transparent contemporary desktop environment for UNIX workstations. KDE seeks to fulfill the need for an easy to use desktop for UNIX workstations, similar to desktop environments found on Macintosh and Microsoft Windows operating systems. | | ... kde.org | |
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Browsing |
 | | Mozilla Firefox |   |
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Download
Now | | The award-winning Firefox Web browser has security, speed and new features that will change the way you use the Web. Don’t settle for anything less. With more than 15,000 improvements, Firefox 3 is faster, safer and smarter than ever before. | | ... mozilla.org/products/firefox | |
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 | | RSSOwl | |
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Download
Now | | RSSOwl lets you gather, organize, update, and store information from any compliant source in a convenient, easy to use interface, save selected information in various formats for offline viewing and sharing, and much more. | | ... rssowl.org | |
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 | | Opera | |
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Now | | Opera - The Fastest Browsers on Earth. Discover the new standard in Web browsing. Download Opera today to get the fastest and most powerful Web browser available and make the most of your time online. | | ... opera.com | |
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 | | Camino | |
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Download
Now | | Camino is an open source web browser developed with a focus on providing the best possible experience for Mac OS X users. | | ... caminobrowser.org | |
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 | | Shiira | |
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Download
Now | | Shiira is a web browser based on Web Kit and written in Cocoa. The goal of the Shiira Project is to create a browser that is better and more useful than Safari. All source code used in this software is publicly available. | | ... shiira.jp/en | |
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 | | SeaMonkey | |
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Download
Now | | The SeaMonkey project is a community effort to develop the SeaMonkey all-in-one internet application suite. | | ... seamonkey-project.org | |
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 | | Vienna | |
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Download
Now | | Vienna is a freeware, open source RSS/Atom newsreader for the Mac OS X operating system. It provides features comparable to commercial newsreaders, but both it and the source code are freely available for download. | | ... vienna-rss.sourceforge.net | |
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 | | Kmeleon | |
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Download
Now | | K-Meleon is an extremely fast, customizable, lightweight web browser for the Win32 (Windows) platform based on the Gecko layout engine (the rendering engine of Mozilla). | | ... kmeleon.sourceforge.net | |
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Messaging |
 | | Pidgin | |
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Download
Now | | Pidgin is a multi-protocol Instant Messaging client that allows you to use all of your IM accounts at once. Pidgin is free software. It is licensed under the GNU General Public License (GPL) version 2. | | ... pidgin.im | |
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 | | aMSN | |
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Download
Now | | aMSN is a free open source MSN Messenger clone, with features such as, Offline Messaging, Voice Clips, Display pictures, Custom emoticons, Multi-language support, Webcam support, Full-speed File transfers, Group support, Tabbed chat windows, plus many more. | | ... amsn-project.net | |
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 | | Adium | |
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Download
Now | | Adium is a free instant messaging application for Mac OS X, released under the GNU GPL. With Adium, you can connect to any number of messaging accounts on any combination of supported messaging services and then chat with other people using those services. | | ... adiumx.com | |
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 | | Colloquy | |
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Download
Now | | Traditionally, chat clients on the Mac have been anything but glamorous. Colloquy is an advanced IRC, SILC & ICB client which aims to fill this void. By adhering to Mac OS X interface conventions, Colloquy has the look and feel of a quality Mac application. | | ... colloquy.info | |
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 | | Xchat | |
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Download
Now | | X-Chat has two good features of usability: colored nicknames and alignment by text as opposed to alignment by nicks. | | ... silverex.info | |
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Sound & Video |
 | | Miro | |
Screen
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Download
Now | | Quite simply, Miro is a free application for channels of internet video (also known as 'video podcasts and video rss). Miro is designed to be easy to use and to give you an elegant fullscreen viewing experience. | | ... getmiro.com | |
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 | | VLC media player | |
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Download
Now | | VLC media player is a highly portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, ...) as well as DVDs, VCDs, and various streaming protocols. | | ... videolan.org | |
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 | | Handbrake | |
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Download
Now | | HandBrake is an open-source, GPL-licensed, multiplatform, multithreaded DVD to MPEG-4 converter, available for MacOS X, Linux and Windows. | | ... handbrake.fr | |
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 | | Audacity | |
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Download
Now | | Audacity is free, open source software for recording and editing sounds. It is available for Mac OS X, Microsoft Windows, GNU/Linux, and other operating systems. | | ... audacity.sourceforge.net | |
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 | | Media Coder | |
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Download
Now | | MediaCoder intends to be the swiss army knife for media transcoding in all time and at this moment, it already has millions of users from 170+ countries all over the planet. | | ... mediacoder.sourceforge.net | |
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 | | Juice | |
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Download
Now | | Want to listen to internet audio programs but can't when they are scheduled? If you want to listen to podcasts, this program is for you. Juice is the premier podcast receiver, allowing users to capture and listen to podcasts anytime, anywhere. | | ... juicereceiver.sourceforge.net | |
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 | | MPlayer | |
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Download
Now | | MPlayer is a movie player which runs on many systems. It plays most MPEG/VOB, AVI, Ogg/OGM, VIVO, ASF/WMA/WMV, QT/MOV/MP4, RealMedia, Matroska, NUT, NuppelVideo, FLI, YUV4MPEG, FILM, RoQ, PVA files. | | ... mplayerhq.hu | |
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 | | Senuti | |
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Download
Now | | Unlock your iPod with Senuti, a simple application that allows you to transfer songs from your iPod to your computer. | | ... fadingred.org/senuti/ | |
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 | | CenterStage | |
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Download
Now | | CenterStage is the Media Center Application that will allow you to use the digital content stored on your Apple Macintosh computer & play it in a more comfortable enviroment such as your living room using any standard Televison set. | | ... centerstageproject.com | |
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 | | ElectricSheep | |
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Download
Now | | Electric Sheep is a free, open source screen saver created by Scott Draves. It's run by thousands of people all over the world, and can be installed on any ordinary PC or Mac. | | ... electricsheep.org | |
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 | | Perian | |
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Download
Now | | Perian enables QuickTime application support for additional media types. All major formats supported. | | ... perian.org/#detail | |
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Productivity |
 | | Mozilla Thunderbird | |
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Download
Now | | Thunderbird 2 features many new enhancements to help you better manage your unruly inbox, and stay informed. Thunderbird 2 scales to the most sophisticated organizational needs while making it easy to find what you need. | | ... mozilla.org/products/thunderbird | |
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 | | OpenOffice | |
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Download
Now | | OpenOffice.org 2 is the leading open-source office software suite for word processing, spreadsheets, presentations, graphics, databases and more. It is available in many languages and works on all common computers. | | ... openoffice.org | |
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 | | AbiWord | |
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Download
Now | | AbiWord is a free word processing program similar to Microsoft® Word. It is suitable for a wide variety of word processing tasks. | | ... abisource.com/ | |
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 | | StarOffice | |
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Download
Now | | Powerful and integrated word processing, spreadsheet, presentation, drawing, and database capabilities. Cool add-ons that extend functionality. | | ... sun.com/software/staroffice | |
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 | | NeoOffice | |
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Download
Now | | NeoOffice is a fully-featured set of office applications (including word processing, spreadsheet, presentation, drawing, and database programs) for Mac OS X. | | ... neooffice.org | |
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 | | Bean | |
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Download
Now | | Bean is a small, easy-to-use word processor (or more precisely, a rich text editor), designed to make writing convenient, efficient and comfortable. | | ... bean-osx.com/Bean.html | |
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Graphics |
 | | Blender | |
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Download
Now | | Blender is the free open source 3D content creation suite, available for all major operating systems under the GNU General Public License. | | ... blender.org | |
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 | | Gimp | |
Screen
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Download
Now | | GIMP has many capabilities. It can be used as a simple paint program, an expert quality photo retouching program, an online batch processing system, a mass production image renderer, an image format converter, etc. | | ... gimp.org | |
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 | | Inkscape | |
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Download
Now | | Inkscape supports many advanced SVG features (markers, clones, alpha blending, etc.) and great care is taken in designing a streamlined interface. It is very easy to edit nodes, perform complex path operations, trace bitmaps and much more. | | ... inkscape.org | |
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 | | Seashore | |
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Download
Now | | Seashore is an open source image editor for Mac OS X's Cocoa framework. It features gradients, textures and anti-aliasing for both text and brush strokes. It supports multiple layers and alpha channel editing. | | ... seashore.sourceforge.net | |
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 | | Xee | |
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Download
Now | | Xee is a lightweight, fast and convenient image viewer and browser. It is designed to be a serious tool for image viewing and management, with a sleek and powerful interface. | | ... wakaba.c3.cx/s/apps/xee.html | |
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 | | Scribus | |
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Download
Now | | Scribus is an open-source program that brings award-winning professional page layout to Linux/Unix, MacOS X, OS/2 and Windows desktops with a combination of "press-ready" output and new approaches to page layout. | | ... scribus.net | |
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 | | Skim | |
Screen
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Download
Now | | Skim is a PDF reader and note-taker for OS X. It is designed to help you read and annotate scientific papers in PDF, but is also great for viewing any PDF file. | | ... skim-app.sourceforge.net | |
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 | | Paint.NET | |
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Download
Now | | Paint.NET is free image and photo editing software for computers that run Windows. It features an intuitive and innovative user interface with support for layers, unlimited undo, special effects, and a wide variety of useful and powerful tools. | | ... getpaint.net | |
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File Transfer |
 | | Filezilla | |
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Download
Now | | FileZilla Client is a fast and reliable cross-platform FTP, FTPS and SFTP client with lots of useful features and an intuitive graphical user interface. | | ... filezilla-project.org | |
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 | | OneButton FTP | |
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Download
Now | | OneButton FTP is a graphical FTP client for Mac OS X with a strong emphasis on simplicity, drag and drop usability, and file queuing. It allows you to easily transfer files to and from remote servers, such as the ones hosting your website, simply by dragging files to and from your computer. | | ... onebutton.org | |
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 | | CyberDuck | |
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Download
Now | | Cyberduck is an open source FTP, SFTP, WebDAV and Amazon S3 browser licenced under the GPL with an easy to use interface, integration with external editors and support for many Mac OS X system technologies such as Spotlight, Bonjour, QuickLook and the Keychain. | | ... cyberduck.ch | |
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 | | Azureus | |
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Download
Now | | Azureus is a BitTorrent client written in Java. The BitTorrent protocol is a new way of exchanging or distributing data over the internet. | | ... azureus.sourceforge.net | |
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 | | Cabos | |
Screen
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Download
Now | | Cabos is Gnutella file sharing program based on LimeWire and Acquisition. It is free software. No spyware. No adware. Guaranteed. | | ... cabos.sourceforge.jp/ | |
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 | | Transmission | |
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Download
Now | | Transmission has been built from the ground up to be a lightweight yet powerful BitTorrent client. Its simple, intuitive interface is designed to integrate tightly with whatever computing environment you choose to use. | | ... transmissionbt.com | |
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 | | Fugu | |
Screen
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Download
Now | | Fugu is a graphical frontend to the commandline Secure File Transfer application (SFTP). | | ... rsug.itd.umich.edu/software/fugu/ | |
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 | | Tomato BitTorrent | |
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Download
Now | | Tomato BitTorrent promotes the accessibility of data on the Internet by allowing anyone to share information with a large audience. | | ... sarwat.net/bittorrent/ | |
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Space |
 | | Celestia | |
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Download
Now | | Unlike most planetarium software, Celestia doesn't confine you to the surface of the Earth. You can travel throughout the solar system, to any of over 100,000 stars, or even beyond the galaxy. | | ... shatters.net/celestia | |
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 | | Stellarium | |
Screen
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Download
Now | | Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. It is being used in planetarium projectors. Just set your coordinates and go. | | ... stellarium.org | |
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Games |
 | | Armagetron Advanced | |
Screen
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Download
Now | | Armagetron is a multiplayer game in 3d that attempts to emulate and expand on the lightcycle sequence from the movie Tron. It's an old school arcade game slung into the 21st century. | | ... armagetronad.net | |
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Tools |
 | | KompoZer | |
Screen
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Download
Now | | KompoZer is a complete web authoring system that combines web file management and easy-to-use WYSIWYG web page editing. | | ... kompozer.net | |
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 | | FreeMind | |
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Download
Now | | FreeMind is a premier free mind-mapping software written in Java. We are proud that the operation and navigation of FreeMind is faster than that of MindManager because of one-click "fold / unfold" and "follow link" operations. | | ... freemind.sourceforge.net | |
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 | | PeaZip | |
Screen
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Download
Now | | PeaZip allows you to edit, save and restore archive layouts; apply powerful multiple filters to archive content; handle multiple archives at once; export job definition as command line; encrypt, etc. | | ... peazip.sourceforge.net | |
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 | | Nvu | |
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Download
Now | | Visual tool for making websites (WYSIWYG html editor), comparable to Dreamweaver. | | ... nvudev.com/index.php | |
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 | | cashbox | |
Screen
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Download
Now | | Cashbox is a personal finance application for Mac OS X designed to make managing your personal finances a breeze. | | ... fadingred.org/cashbox/ | |
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 | | Smultron | |
Screen
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Download
Now | | Smultron is a free text editor for Mac OS X Leopard 10.5 which is both easy to use and powerful. It is designed to neither confuse newcomers nor disappoint advanced users. | | ... smultron.sourceforge.net | |
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 | | Vidalia | |
Screen
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Download
Now | | Tor is a toolset for a wide range of organizations and people who want to improve their safety and security on the Internet. Using Tor can help you anonymize web browsing and publishing, instant messaging, IRC, SSH, and more. | | ... torproject.org | |
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 | | Notepad++ | |
Screen
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Download
Now | | Notepad++ is a free (as in "free speech" and also as in "free beer") source code editor and Notepad replacement that supports several languages. It runs in the MS Windows environment. | | ... notepad-plus.sourceforge.net/uk/site.htm | |
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 | | Quicksilver | |
Screen
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Download
Now | | Quicksilver is a unified, extensible interface for working with applications, contacts, music, and other data. | | ... blacktree.com/?quicksilver | |
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| | Unarchiver | |
Screen
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Download
Now | | Supported file formats include Zip, Tar-GZip, Tar-BZip2, Rar, 7-zip, LhA, StuffIt and many other more or less obscure formats. | | ... wakaba.c3.cx/s/apps/unarchiver.html | |
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 | | GnuCash | |
Screen
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Download
Now | | GnuCash is personal and small-business financial-accounting software, freely licensed under the GNU GPL and available for GNU/Linux, BSD, Solaris, Mac OS X and Microsoft Windows. | | ... gnucash.org | |
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 | | Gnucleus | |
Screen
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Download
Now | | Gnucleus was the beginning of a few open-source Gnutella related projects (GWebCache, GnucDNA, GnucNS). Gnucleus itself is a Windows application for accessing the Gnutella and G2 networks. | | ... gnucleus.com/Gnucleus/ | |
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 | | KisMAC | |
Screen
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Download
Now | | KisMAC is an open-source and free stumbler/scanner application for Mac OS X. It has an advantage over MacStumbler/iStumbler/NetStumbler in that it uses monitor mode and passive scanning | | ... trac.kismac-ng.org | |
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 | | Buddi | |
Screen
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Download
Now | | Buddi is a personal finance and budgeting program, aimed at those who have little or no financial background. | | ... buddi.thecave.homeunix.org | |
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 | | WireShark | |
Screen
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Download
Now | | Wireshark is the world's foremost network protocol analyzer, and is the de facto (and often de jure) standard across many industries and educational institutions. | | ... wireshark.org/about.html | |
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