Complex sentence: As with many other social networks, a wide variety of public figures use the network, though LiveJournal is also the name of the free and open source server software that was designed to run the LiveJournal virtual community.
Split into simpler sentences: As with many other social networks, a wide variety of public figures use the network. However, LiveJournal is also the name of the free and open source server software that was designed to run the LiveJournal virtual community.