Fedora is a Linux-based operating system that showcases the latest in free and open source software. Fedora is always free for anyone to use, modify, and distribute. It is built by people across the globe who work together as a community: the Fedora Project. The Fedora Project is open and anyone is welcome to join. The Fedora Project is out front for you, leading the advancement of free, open software and content.
The operating system is Fedora. It comes out twice a year or so. It's completely free, and we're committed to keeping it that way. It's the best combination of robust and latest software that exists in the free software world. The mindset is doing the right thing. To us, that means providing free and open software and content, at no cost, freely usable, modifiable, redistributable, and unencumbered by software patents.

Kantaris Media Player aims to be an all-in-one media player that provides a great audio and video experience. Kantaris is an open-source alternative to Windows Media Player with similar GUI and features. Video playback is based upon Videolan Client (VLC) which enables Kantaris to play almost anything without the need of installing any codecs separately. Unlike VLC, Kantaris also has extensive support for music and other audio formats, these include MP3, WMA, OGG, MIDI, AC3, AAC, MP4 and FLAC. It features an attractive skin, some nice audio visualizations, and integration with Last.fm and Apple movies trailers.
Kantaris Media Player can play almost anything you can throw at it - AVI, MPEG, MGEG-AVC, WMV, MOV, MKV, quicktime, matroska, divx, xvid, H264, MP3, WMA, OGG files and more. It can also play DVD's and audio cd's. The player also displays some of the most beautiful music visualizations ever seen. All this is completely free.

KNOPPIX is a bootable Live system on CD or DVD, consisting of a representative collection of GNU/Linux software, automatic hardware detection, and support for many graphics cards, sound cards, SCSI and USB devices and other peripherals. KNOPPIX can be used as a productive Linux system for the desktop, educational CD, rescue system, or adapted and used as a platform for commercial software product demos. It is not necessary to install anything on a hard disk. Due to on-the-fly decompression, the CD can have up to 2 GB of executable software installed on it (over 8GB on the DVD "Maxi" edition).
A.D.R.I.A.N.E. (Audio Desktop Reference Implementation And Networking Environment) is a talking menu system, which is supposed to make work and internet access easier for computer beginners, even if they have no sight contact to the computers monitor. A graphical environment with also talking programs and arbitrary magnification using compiz-fusion, is another option.