I thought you might like to know about Xpostulate, a crossposting blog client with support for LJ, InsaneJournal, deadjournal, dreamwidth, iziblog, scribbld, inksome, and wordpress, as well as tweeting to twitter and denting to identi.ca. Xpostulate is free/open source software released under the GPL v. 3 or later, and written in Tcl/Tk.