If you can find LADSPA, LV2, or VST freeware plugins, then you can use them in LMMS. (VST plugins under Linux must use Wine)
Linux Multimedia Studio.
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.
Almost every Linux distro can run multimedia programs, and has them available in their repository. Several distros are targeted at multimedia production and bundle such software by default. These include Ubuntu Studio, 64 Studio, dyne:bolic, and Musix.
Kyle Rankin has written: 'Linux Multimedia Hacks' -- subject(s): Interactive multimedia, Linux, Multimedia systems
Multimedia has the same purpose in Linux as it does in Windows or Mac OS X. Multimedia is commonly used for entertainment, but also for educational / instructional purposes.
Jeff Tranter has written: 'Linux multimedia guide' -- subject(s): Linux, Multimedia systems
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.
You can download Linux Mint here: www.linuxmint.com/download.php
The Dreambox is a series of Linux-powered DVB satellite, terrestrial and cable digital television receivers (set-top box), produced by German multimedia vendor Dream Multimedia.
There is no version of iChat for Linux.
There is no version of StarUML for Linux.
Arg, haven't used Redhat, but try looking at repositories (synaptic package manager?) and try VLC. http://www.videolan.org/vlc/