11 Most Popular Open Source Softwares Of All Time

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Firefox3.5 sets the pace with dozens of new features, including the smartlocation bar, one-click bookmarking and blindingly fast performance.Avoid online scams, unsafe transactions and forgeries with simple siteidentity. View Web pages faster, using less of your computer’s memory.
FileZilla

FileZillais a cross-platform graphical FTP, FTPS and SFTP client a lot offeatures, supporting Windows, Linux, Mac OS X and more. FileZillaServer is a reliable FTP server for Windows. It has a powerful SiteManager and transfer queue and drag & drop support.
7-Zip

7-Zipis a file archiver with the high compression ratio. The programsupports 7z, ZIP, CAB, RAR, ARJ, LZH, CHM, GZIP, BZIP2, Z, TAR, CPIO,ISO, MSI, WIM, NSIS, RPM and DEB formats.
FullSync

FullSyncis a universal file synchronization and backup tool which is highlycustomizable and expandable. It is especially for developers, but thebasic functionality is easy enough for everyone.
Gimpshop

Gimpshopis a hack made on top of the original Gimp project which changes allmenues, dialogs, etc., in order to make them look as much as theircounterparts in Photoshop. This makes users who are already familiarwith the layout of Photoshop feel right at home in this open sourceapplication. Please note that all features in Photoshop in notavailable in Gimpshop, since it is based on the Gimp project and it’sfeature set.
ClamWin

ClamWinis a free antivirus for Windows. It includes virus scanner, scheduler,virus database updates, context menu integration to MS Windows Explorerand Addin to MS Outlook. Also features easy setup program. Uses a wellrespected ClamAV scanning engine.
OpenOffice

OpenOfficeis the leading open-source office software suite for word processing,spreadsheets, presentations, graphics, databases and more. It isavailable in many languages and works on all common computers. Itstores all your data in an international open standard format and canalso read and write files from other common office software packages.It can be downloaded and used completely free of charge for any purpose.
Notepad++

Notepad++is a free source code editor and Notepad replacement that supportsseveral languages. Running in the MS Windows environment. This is basedon a powerful editing component Scintilla, Notepad++ is written in C++and uses pure Win32 API and STL which ensures a higher execution speedand smaller program size. By optimizing as many routines as possiblewithout losing user friendliness, Notepad++ is trying to reduce theworld carbon dioxide emissions. When using less CPU power, the PC canthrottle down and reduce power consumption, resulting in a greenerenvironment.
TightVNC

TightVNCis a free remote control software package. With TightVNC, you can seethe desktop of a remote machine and control it with your local mouseand keyboard, just like you would do it sitting in the front of thatcomputer.This is a cross-platform, available for Windows and Unix,compatible with other VNC software.
Blender

Blenderis the free open source 3D content creation suite, available for allmajor operating systems. It includes tools for modeling – fastsubdivision surface and polygon tools, multi-resolution mesh sculpting,metaballs, NURBS, vector fonts, and curves; uv mapping; shaders andtexturing – both paint based and node based; ik and fk animation toolswith rigging, constraints, skinning, morph targets, drivers, deformers,and modifiers; simulation tools including hard bodies, soft body,cloth, and fluids; and particle systems including hair. Blender hasintegrated rendering with both its native renderer and the raytracerYafray as well supporting many external renderers; and python basedscripting.
Audacity

Audacityis a free, easy-to-use and multilingual audio editor and recorder forWindows, Mac OS X, GNU/Linux and other operating systems. You can useAudacity to record live audio, convert tapes and records into digitalrecordings or CDs, edit Ogg Vorbis, MP3, WAV or AIFF sound files, cut,copy, splice or mix sounds together etc.