TaskFreak! does not show within the interface a unique ticket/task number. Depending on the use of TaskFreak! having such a value can have it’s benefits. Since this unique value does already exist in the back end, it will be fairly trivial to render this value within the task list and task details panel. I will show you how this is done using Searcher’s solution posted in the TaskFreak! Forum. There has been some modifications but not much.
Edit index.php in the root of TaskFreak!. Add the table header column just below line # 248 as follows.
<th width="3%" onclick="freak_sort('itemId')" class="sortable" >< …