The CUBRID Query Browser (CQB) is the lightweight version of the CUBRID Manager.
Now this is merged into CUBRID Manager. To use CUBRID Query Browser, use CUBRID Manager as setting to "Query mode". You can find the mode setting button on the tool bar, located on the top of the window.
The below is the old documents related to CUBRID Query Browser.
CQB is distributed under the terms of BSD open source license.