1. FileZilla
FileZilla is a hugely successful, cross-platform FTP client. It’s also available as a server, for Windows only. Created in January 2001 by Tim Klosse as a class project, FileZilla has gone on to become the 5th most popular download of all time from SourceForge.net.
2. GnuCash
GnuCash provides a great, free alternative to paid-for accounting software. Designed for personal and small business use, it offers bank account, stock, income and expense tracking, in addition to double-entry accounting.
.3.Audacity
Music software like Cubase and Logic Pro can be incredibly expensive, which is why an increasing number of people are turning to Audacity, a free, cross-platform sound editor. Users can record and edit live audio; cut, copy, splice and mix sounds; and convert ageing tapes and records into digital format.
4. GIMP
Just like sound editors, industry standard image editing software is prohibitively expensive for a lot of people, but GIMP provides a free alternative. It performs every major function you could desire, except for, vitally, CMYK separation functionality necessary for prepress work.
5. OpenOffice
With the ability to create text documents, spreadsheets, presentations and databases, OpenOffice is an accomplished rival to Microsoft Office, which clearly influenced OpenOffice’s design. Microsoft Office users will feel completely at home and find that OpenOffice performs just as well, if not better.
8. VLC
At last count, VLC media player had been downloaded 300 million times. Unlike some paid-for alternatives, VLC supports practically every audio/video codec and file format. The most recent VLC release also offers live recording of streaming video, frame-by-frame advancement and superb speed controls.
9. Handbrake
Handbrake rips/converts DVDs to MPEG-4 for playing back on your iPod or archiving. It doesn’t have the ability to decode DVDs, but can do so if you have VLC, which includes a DVD encoder, installed on your computer.
10. Pidgin
Pidgin is the ultimate, free instant messaging tool. It provides you with one window through which you can simultaneously interact with different people, whichever instant messaging platform they’re using.
11. Freemind
Freemind is a terrific mind-mapping tool, which lets you get all your thoughts down as quickly as possible with the use of icons, shapes and colors. Besides the ordinary nodes and links, you can add hyperlinks and even documents to your maps.
12. Notepad++
Reliable, customizable, intuitive and free, Notepad++ is the most popular Windows-based CSS editor around. It offers everything: syntax highlighting; folding and auto-completion for CSS, C, C++, C#, Java, JavaScript, SQL, HTML, XML and PHP; multi-file viewing; tabbed editing; zoom in/out; and bookmarks.
13. 7-Zip
7-Zip is an extremely popular file archiver for Windows, which, although free, outperforms Winzip. It can unpack the vast majority of archive formats and can create TAR and GZ archives, commonly used on Unix and Linux systems, as well as its own 7z format, which easily outshrinks ZIP files.
14. Blender
Blender is a 3D content creation suite which can be used for everything from modeling to skinning, particle simulation, animating and texturing. Unlike some other free apps in this list, Blender has not been designed to “imitate” other 3D graphics software, which means it takes a bit of getting used to, but once you’ve familiarized yourself with all the shortcuts, you’ll be hooked.
15. PDFCreator
