Programming Tools

There are many compilers available for Linux.
But, here are some visual tools, which I have found.

Java for Linux (not visual, but required for some visual tools): http://www.blackdown.org

Object Domain a UML Tool: http://www.objectdomain.com

Idle and IDE for python: http://www.python.org/idle/   and  http://starship.python.net/crew/mike/Tide/idledev/IDEStudio.html

Glade - a visual GTK+ interface creator generates C, C++, Perl, Python, and Ada95 code: http://glade.gnome.org/

Gnome Basic (A Visual Basic alternative): http://www.gnome.org/projects/gb/

Code Crusader, an Integrated Development Environment for C/C++: http://freshmeat.net/redir/codecrusader/1383/url_homepage/

Simplicity for Java, a Visual Java Programming Tool: http://www.datarepresentations.com/

JBuilder: http://www.borland.com/jbuilder/

Kylix Borland Delphi: http://www.borland.com/kylix/vb/

NetBeans: http://www.netbeans.org/

Gideon/Kdevelop: http://dot.kde.org/992083107/

Magic for Linux, a Visual Tool: http://www.magicsoftware.com/

Dozens listed here, plus other Linux commentary: http://linuxmafia.com/~rick/faq/#idedev

More Linux Programming Links: http://www.linuxlinks.com/Software/Programming/Development/Environments/index.shtml