Oxwall software is licensed under Common Public Attribution License 1.0 (full text of CPAL 1.0 here).

Human-readable CPAL translation would read like this:

• This software is open source and can be freely used, modified, and distributed.
• This software can be used for commercial purposes.
• Attribution to the authorship of this software in the source code files can not be waived under any circumstances.
• Attribution to the authorship of this software on the site frontend in the form of labels and hyperlinks can be waived with permission of the original author. Contact us if your project needs that.
  Read our official position