Free Open Source Software
Free / Open Source Software (FOSS) is about putting freedom and collaboration first in the production of digital goods. As Richard Stallman, a key FOSS figure declares:
"Free software alters patterns of innovation by inviting everyone to participate..But freedom is more important"
1. 7 Zip
7-Zip is a file archiver with a high compression ratio. Supports .zip and .rar files
2. Abakt
Free backup software, providing advanced filtering and command line options.
3. Audacity
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.
4. Azureus
Search for torrents beyond Azureus straight from the client
5. Blender
Blender is the free open source 3D content creation suite, available for all major operating systems under the GNU General Public License.
6. ClamWin
ClamWin is a Free Antivirus program for Microsoft Windows 98/Me/2000/XP/2003 and Vista.
ClamWin Free Antivirus comes with an easy installer and open source code. You may download and use it absolutely free of charge.
7. FileZilla
FileZilla, the free FTP solution. Both a client and a server are available. FileZilla is open source software distributed under the terms of the GNU General Public License
8. FireFox
Web Browser. The Web is all about innovation, and Firefox 3 sets the pace with dozens of new features, including the smart location bar, one-click bookmarking and blindingly fast performance.
9. GeoGebra
GeoGebra is a free and multi-platform dynamic mathematics software for schools that joins geometry, algebra and calculus. It received several international awards including the European and German educational software awards.
10. Gimp
GIMP is the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring. It works on many operating systems, in many languages.
11. GraphCalc
GraphCalc is an all-in-one solution to everything from everyday arithmetic to statistical analysis, from betas to Booleans, from cubes to calculus, from decimals to derivatives. GraphCalc combines all the features of a professional mathematics package with the simplicity of an easy to learn windows interface. It provides user-friendly help and tutorials to guide you through the easy and fun process of mastering GraphCalc.
12. Httrack
HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility. It allows you 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.
13. InkScape
An Open Source vector graphics editor, with capabilities similar to Illustrator, CorelDraw, or Xara X, using the W3C standard Scalable Vector Graphics (SVG) file format. 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. We also aim to maintain a thriving user and developer community by using open, community-oriented development.
14. MoinMoin
MoinMoin is an advanced, easy to use and extensible WikiEngine with a large community of users. Said in a few words, it is about collaboration on easily editable web pages. MoinMoin is Free Software licensed under the GPL.
15. NotePad++
Notepad++ is a free source code editor and Notepad replacement, which supports several programming languages, running under the MS Windows environment.
16. NVU
A complete Web Authoring System for Linux desktop users as well as Microsoft Windows and Macintosh users to rival programs like FrontPage and Dreamweaver. Nvu (which stands for “new view”) makes managing a web site a snap. Now anyone can create web pages and manage a website with no technical expertise or knowledge of HTML.
17. OpenOffice
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. It stores all your data in an international open standard format and can also read and write files from other common office software packages. It can be downloaded and used completely free of charge for any purpose.
18. PDF Creator
PDFCreator easily creates PDFs from any Windows program. Use it like a printer in Word, StarCalc or any other Windows application.
19. PidGin
Pidgin is a multi-protocol Instant Messaging client that allows you to use all of your IM accounts at once. Pidgin can work with: AIM, Bonjour, Google Talk, ICQ, IRC, MSN, Yahoo and more…
Pidgin is free software. It is licensed under the GNU General Public License (GPL) version 2. This means you are free to use it and to modify it, but if you distribute your modifications you must distribute the modified source code as well.
20. RSSowl
RSS Reader.
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. It’s easy to configure, available in many many languages and the best of all: It’s platform-independent.
21. Scribus
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. Underneath the modern and user friendly interface, Scribus supports professional publishing features, such as CMYK color, separations, ICC color management and versatile PDF creation.
22. Stellarium
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.
23. ThunderBird
Mozilla’s Thunderbird 2 email application is more powerful than ever. It’s now even easier to organize, secure and customize your mail.
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.
24. Tight VNC
TightVNC is a free remote control software package derived from the popular VNC software. With TightVNC, you can see the desktop of a remote machine and control it with your local mouse and keyboard, just like you would do it sitting in the front of that computer.
25. Tux Paint
Tux Paint is a free, award-winning drawing program for children ages 3 to 12 (for example, preschool and K-6 in the US, key stages 1 & 2 in the UK). It combines an easy-to-use interface, fun sound effects, and an encouraging cartoon mascot who guides children as they use the program. Kids are presented with a blank canvas and a variety of drawing tools to help them be creative.
26. WinSCP
WinSCP is an open source SFTP client and FTP client for Windows. Its main function is the secure file transfer between a local and a remote computer. Beyond this, WinSCP offers basic file manager functionality. It uses Secure Shell (SSH) and supports, in addition to Secure FTP, also legacy SCP protocol.
27. Wubi - Ubuntu Linux 8.04 Windows Installer
Wubi is an officially supported Ubuntu installer for Windows users that can bring you to the Linux world with a single click. Wubi allows you to install and uninstall Ubuntu as any other Windows application, in a simple and safe way. Are you curious about Linux and Ubuntu? Trying them out has never been easier!