Category:Free task management software

Lua error in mw.title.lua at line 392: bad argument #2 to 'title.new' (unrecognized namespace name 'Portal'). This is a category of articles relating to task management software which can be freely used, copied, studied, modified, and redistributed by everyone that obtains a copy: "free software" or "open-source software". Typically, this means software which is distributed with a free software license, and whose source code is available to anyone who receives a copy of the software. It also includes software for which intellectual property rights have lapsed or been donated to the public domain.