Yes. LMMS is open-source and as of the time of writing this answer, it is and will be free-of-charge to download, copy, install, and use for the forseeable future.
Linux Multimedia Studio.
If you can find LADSPA, LV2, or VST freeware plugins, then you can use them in LMMS. (VST plugins under Linux must use Wine)
There are a variety of different Linux software downloads available for download. One can download basic Linux for free from sites such as Download Linux Free and Softonic.
There is no way to download Pinnacle Studio for Free.
Almost all the linux OS's are free you can find them at their websites .
no
Not all version of Redhat Linux is free but you can download many desktop versions free.
Yes, you can download and use Picasa Linux at no charge. You will find the free download on a number of sites, and it is very easy to download and only takes a couple of minutes.
Yes
CamStudio
One might find a Linux download for free at: Computer Hope, UBuntu, Softpedia, Kioskea, Linux Mint, Hungry Penguin,Software Archives, and PC Advisor.
The AVG Linux Server Edition 2012 is free of charge to download from the official AVG website. If you want to test it first, there is also a free trial download available.