Hi, I've started to work on a Gtk+ interface to notmuch which uses the notmuch command line. Currently it is able to search threads and retag them. Next on the agenda is the ability to actually read the threads. If someone is interested, the code lives in http://github.com/baruch/notmuch-gtk and can be checked out from git://github.com/baruch/notmuch-gtk.git The recent streaming changes made things smoother. Though tagging is excessively slow if done on a thread-by-thread basis as I implemented it now. Baruch