Movable Type — the popular blogging platform from Six Apart — has decided to open the doors to Open Source.

In an posting on the company's blog, Six Apart Vice President Anil Dash announced the move to open up the software, citing a dedication to open source as an important value since the founding of Movable Type. Dash indicated that the software would be released under the GNU General Public License, and that Six Apart would continue to offer commercial options and additional benefits, as well as professional support and paid software under a proprietary model.

The decision comes just weeks after Six Apart announced that LiveJournal, another of it's blogging options, was being sold to a Russian firm, sparking controversy in the often tightly-wound LiveJournal community.

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