QTM 1.3.17 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free Mac application is an intellectual property of M. J. Smith. The program lies within Developer Tools, more precisely General. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
QTM is a blogging client which is presently capable of composing, formatting and submitting blog entries to a weblog. QTM will work with blogs based on most of the major blogging systems available today: Wordpress (including wordpress.com), Movable Type, Drupal and so on.
You may want to check out more Mac applications, such as solr, Prototypes or Shellac, which might be related to QTM.