Free alternatives to popular programs

Here are a few free alternatives to popular programs like Microsoft word

Microsoft Word/Power point/excel spreadsheet
Free alternative(s)
1:open office-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
link: http://www.openoffice.org/

2:Abiword-AbiWord is similar to MS Word and MS Word users will not find much problem in switching over to this free application and will certainly love it as there is nothing better than a powerful and free word processor.
Link:http://www.abisource.com/download/


Photoshop
Free alternative(s)
1:GIMP-GIMP stands for “GNU image manipulation program”, and it is one of the oldest and most well known alternatives to Photoshop in existence.
Link:http://www.gimp.org/

2:Krita-Krita is slightly less powerful than both Photoshop and GIMP, but does contain some unique features.
Link:http://www.koffice.org/download/

Nero
Free alternative(s)
1:CDBurnerXP-This is by far the most popular free alternative to the expensive Nero Software. Works on Vista as well.
Link:http://www.cdburnerxp.se/es/home (site is in Spanish but software is multi-language)

2:InfraRecorder-This is the software that I currently use on my computer as a Nero alternative, and I must tell, it’s damn simple and straightforward. Has all that you might expect in a CD DVD Burning software like Nero.
Link:http://infrarecorder.org/?page_id=5