The problem its hard when not social media to get visibility.
Its easy to start a blog (wordpress/blogger/tumblr etc.. ), its harder to get people to go to it and periodically check it out. RSS aggregators/ google reader was a good way to do this, but they've fallen out of favor. There is a ghost town of abandoned blogs on the internet presumably because they didn't get the reads/ interaction.
Its almost like you need to announce your new blogpost on twitter/ fb..
But I think there are solutions.
I saw this open source groupware on hn a while back and am starting to get in installed for an art non-profit. There are probably others, but I'm going install and see how it goes: