1. Mozilla Firefox: Mozilla Firefox is the most popular open source browser application and today. According to statistics from W3School, Firefox is used by 47.1% of Internet users, while Internet Explorer 28%. Firefox has a Guinness World Record for the most downloaded software within 24 hours. From 18:16 UTC on 17 June 2008, at 18:16 UTC on 18 June 2008 - 8,002,530 people downloaded Firefox 3.
2. Mozilla Thunderbird: Yet another open source application from Mozilla. Thunderbird is a desktop e-mail client with many features and strong spam filter.
3. OpenOffice: OpenOffice is an open-source alternative to Microsoft Office. It comes with great features including support for the DOC and XLS files. The OpenOffice suite Pack applications for word processing, spreadsheets, presentations, graphics, databases and much more. It stores all your data and files in International Open Standard format and also comes with the ability to read and write files from other standard office software packages.
4. GIMP: GIMP or GNU Image Manipulation Program can easily replace professional graphics solution application Adobe Photoshop. GIMP is the best open source graphic application with the design loads of features. He also has the ability to open and edit Photoshop PSD files.
5. Pidgin: Pidgin is an open-source instant messenger. It also supports other IM. You can chat with users of nearly all the leading IM such as MSN, Yahoo Messenger, AIM, Gtalk, ICQ, etc. It was formerly known as GAIM.
6. VLC Media Player: It is a cross-platform open source media player and server. It supports a wide range of audio and video formats such as MPEG1, MPEG2, MPEG4, DivX, MP3, OGG, AAC, DVD, Audio CD, VCD and many more. VLC has support for streaming media log as well.
7. ClamWin: ClamWin is an open-source GPL virus scanner for Windows. It has the following features ...
High detection rates for viruses and spyware;
Scheduler for scanning.
Auto-Downloader for regular updating of virus definitions.
It is a standalone virus scanner and you can use with Microsoft Windows Explorer just by right click.
Available with Outlook add-on for scanning e-mails and attachments.
8. 7-Zip: 7-zip compression is open-source program with support for all common formats. The 7Z compression format has the best compression in comparison to popular programs such as WinZip, WinRAR.
9. Media Coder: It is an open source batch media transcoder for almost all popular media formats. It can be both covert audio and video formats with batch processing support. Media Coder comes with multi-threaded design and is optimized for multi-core CPUs.
10. FileZilla: FileZilla is another great open source application for Windows. It is a multi-platform full-featured GUI-based FTP, FTPS and SFTP client. FileZilla is available as the best FTP client for Windows.
11. Drupal: Highly flexible content management framework electricity Celebrity websites like MTV and Yahoo developers. Drupal bridges the gap between a content management system like Joomla and PHP-based web framework such as Symfony say. My site is running drupal MWolk and WordPress themes directory.
12. μTorrent: almost all BitTorrent clients like uTorrent, Azureus etc are open source, so that the list be incomplete without the inclusion of a Bach family.
13. Eclipse: One of the most powerful and versatile IDE for developers of any language. With its many plugins, it can be extended to do much more, not to mention he has a great community.
14. Python - I would like to conclude the list of top open source applications by mentioning Python, the programming language. It has a long way in the last 8 years and is today the preferred language for Web development frameworks such as Django.
Virtually on the list of popular and proven open source application that we are on a daily basis, if you know of some more, please say it in the comments.
2. Mozilla Thunderbird: Yet another open source application from Mozilla. Thunderbird is a desktop e-mail client with many features and strong spam filter.
3. OpenOffice: OpenOffice is an open-source alternative to Microsoft Office. It comes with great features including support for the DOC and XLS files. The OpenOffice suite Pack applications for word processing, spreadsheets, presentations, graphics, databases and much more. It stores all your data and files in International Open Standard format and also comes with the ability to read and write files from other standard office software packages.
4. GIMP: GIMP or GNU Image Manipulation Program can easily replace professional graphics solution application Adobe Photoshop. GIMP is the best open source graphic application with the design loads of features. He also has the ability to open and edit Photoshop PSD files.
5. Pidgin: Pidgin is an open-source instant messenger. It also supports other IM. You can chat with users of nearly all the leading IM such as MSN, Yahoo Messenger, AIM, Gtalk, ICQ, etc. It was formerly known as GAIM.
6. VLC Media Player: It is a cross-platform open source media player and server. It supports a wide range of audio and video formats such as MPEG1, MPEG2, MPEG4, DivX, MP3, OGG, AAC, DVD, Audio CD, VCD and many more. VLC has support for streaming media log as well.
7. ClamWin: ClamWin is an open-source GPL virus scanner for Windows. It has the following features ...
High detection rates for viruses and spyware;
Scheduler for scanning.
Auto-Downloader for regular updating of virus definitions.
It is a standalone virus scanner and you can use with Microsoft Windows Explorer just by right click.
Available with Outlook add-on for scanning e-mails and attachments.
8. 7-Zip: 7-zip compression is open-source program with support for all common formats. The 7Z compression format has the best compression in comparison to popular programs such as WinZip, WinRAR.
9. Media Coder: It is an open source batch media transcoder for almost all popular media formats. It can be both covert audio and video formats with batch processing support. Media Coder comes with multi-threaded design and is optimized for multi-core CPUs.
10. FileZilla: FileZilla is another great open source application for Windows. It is a multi-platform full-featured GUI-based FTP, FTPS and SFTP client. FileZilla is available as the best FTP client for Windows.
11. Drupal: Highly flexible content management framework electricity Celebrity websites like MTV and Yahoo developers. Drupal bridges the gap between a content management system like Joomla and PHP-based web framework such as Symfony say. My site is running drupal MWolk and WordPress themes directory.
12. μTorrent: almost all BitTorrent clients like uTorrent, Azureus etc are open source, so that the list be incomplete without the inclusion of a Bach family.
13. Eclipse: One of the most powerful and versatile IDE for developers of any language. With its many plugins, it can be extended to do much more, not to mention he has a great community.
14. Python - I would like to conclude the list of top open source applications by mentioning Python, the programming language. It has a long way in the last 8 years and is today the preferred language for Web development frameworks such as Django.
Virtually on the list of popular and proven open source application that we are on a daily basis, if you know of some more, please say it in the comments.