RQ Debugger IDE is freeware. You can free download and use it.
Last version - b.533   18 Feb 2007
http://miraxem.com/RQDBdistr.zip  (1.9 Mb) - IDE, compiler, libs, examples included  

Main features:

- multiwindow
- named bookmarks
- Directories
You need to set directories for RapidQ compiler, libraries etc.
Use "Options"-"Directories" menu item. Directories will be saved in *.prj files.

- HiLighting
You can disable HiLighting. Use "Options"-"Editor"
Disabling is not working in this version!!!

- Components bar
You can insert component template in cursor position using Components bar.
Component templates are stored in "Templates" subdirectory.
You can edit existing templates.

- Compile and Run
Use "Run"-"Compile and Run" menu item to ..hmm.. Compile source file and Run program.
Current (opened in window) file will be compiled.
Other menu item in "Run" menu are not working.

You can compile RapidQ sources - to exe, and Free Basic sources - to exe and dll files.
Use "FB" button to compile exe and "DLL" button - to compile dll.

- Subs\Function list
Use "View"-"Subroutine list" to View Subroutine and objects list.