linux

Operating Systems

Ubuntu – Debian Based and my personal favorite – extremely easy to install, configure and use
Knoppix
PCLinux
Damn Small Linux
Gentoo
Suse Linux
Mandriva Linux – Also very easy to install and use
Redhat Linux – very flexible and comes in numerous configurations for desktop/workstation, server, enterprise server, etc.
Anonym.OS – Only available as a LiveCD that is used to boot the computer and run it from CD. Very useful if you need to be TOTALLY ANONYMOUS or are just a Privacy Fanatic. Maybe possible to install but not sure.
Slackware – very popular but not the easiest to use/learn
FreeBSD – based on BSD (Unix)
OpenBSD – based on BSD (Unix)

Applications

Business

Quasar Accounting – Replaces Quicken/Quickbooks – NOT FREE
Quasar Point-of-Sale – Runs Cash Registers and ties it to your accounting software – NOT FREE
GnuCASH – Replaces Quicken/Quickbooks
BANAL – Book Keeping System

Graphics

Dia – Diagram Editor
gThumb – Image Viewer
Blender 3d modeller
Gimp Image Editor
Kooka
Wings3d – 3D mesh modeller

Internet

aMSN – MSN Messenger for Linux
aMule – eMule P2P Client
Bittornado – Bittorrent client
Direct
Connect - P2P Network/Client
Epiphany Web Browser
EtherApe – Graphical Network Monitor
Ethereal – Network traffic analyzer
Firefox
Galeon Web Browser
GnomeMeeting – similar to Microsoft's NetMeeting
Konqueror Web Browser
Kopete – Trillian Style Instant Messenger for AIM, ICQ, MSN, Yahoo and more
Linphone
– Skype style VOIP Telephony Program
Mozilla Mail Client
Mozilla Web Browser
Nicotine – SoulSeek network filesharing client
Thunderbird Mail Client – Similar to Microsoft Outlook

Office

AbiWord Word Processor
Adobe Acrobat
Reader
Mozilla Calendar
OpenOffice.org Suite – Replaces Microsoft Office

Other Cool Applications

Celestia Space Simulator
GNOME
Predict – Satellite tracker
GRAMPS Genealogy System

Programming

Anjuta IDE – Integrated Development Environment
Bluefish Editor – Web Development Editor
Boa Constructor – RAD Tool for Python and WxWindows
Eclipse – Integrated Development Environment
Gazpacho
Interface Designer – Design Graphical User Interfaces
gPHPEdit – Edit PHP source files
Quanta
Plus – Web Development Environment
Screem
HTML/XML Editor – Website Editor and Management System

Multimedia

amaroK – WinAmp on Steroids
Audacity – Record and edit audio files
GnomeBaker – Burn CD/DVD discs
Gnomoradio Music Player – find, download and play free music
Grip – CD Player/Ripper
Helix Player – very good media player
K3B – CD Writing Program (Does DVD's Too)
Mplayer – Very easy to use and no fuss media player
Nomad Jukebox Manager – Upload, Download and Edit tracks on your Creative Nomad
Ogle – DVD Player with Menus
RealPlayer Video Player
Serpentine – Create audio CDs from Music Files
VLC for Gnome – Media Player

System and Security Applications

Firestarter – Desktop Firewall Tool
GnomePGP – PGP Encryption Program
Synaptic Package Manager – The best package manager on EARTH.

Similiar page here: http://www.linuxrsp.ru/win-lin-soft/table-eng.html