Examples of free and open-source software/Screenshots

These are some examples of open-source software that anyone can freely download and use, or even modify, without restriction

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OpenOffice.org Writer (word processor)	OpenOffice.org Calc (spreadsheet)	OpenOffice.org Impress (presentation)
OpenOffice.org Draw (vector drawing)	Celestia space simulator	KDE desktop environment for Linux (and Unix)
Gnome desktop environment for Linux (and Unix)	Inkscape 2D vector drawing	GIMP bitmap editor
Democracy RSS video feeds player	Blender 3D modelling	FreeMind mind-mapping software
Audacity digital audio editing	Kivio flowchart drawing	Mozilla Thunderbird email client
Evolution mail	Evolution calendar	Eclipse software development framework
Xara Xtreme 2D vector drawing	Nvu HTML editing	VNC cross-platform remote control screenshot showing a windows PC controlling a Mac and Linux desktop in separate windows
KDevelop integrated development environment	Firefox web browser	Songbird web-surfing music player
K3b CD and DVD burning	Art of illusion 3D modelling	Scribus desktop publishing
FlightGear flight simulator	Xfce desktop environment for Linux (and Unix)	Ardour digital audio workstation
F-Spot photo manager (for Linux)