Common lisp IDE: CUSP for Eclipse.

Cusp is Eclipse plugin for Lisp Development.

Below is description of its installation and starting.

Procedure and pictures given on (k)Ubuntu Gutsy 7.10 and KDE.

Should work on Debian too.

Install eclipse:

$ sudo apt-get install eclipse

Start eclipse :

KDE Menu->Development->Eclipse.

From eclipse:

Help->Software Updates->Find and Install.
Fill definition of update site for CUSP.

Mark CUSP site for update; Finish
Accept licenses:
Install All:
Restart;
Then Eclipse->New Project-> Lisp.
Watch Lisp IDE How it looks.
Update main module; Add yours:
Evaluate it as written in comment:
Explore Lisp menu for further functions.