http://sn.1w6.org/file/mk-20150114T214114-qj86gg5.html

@windigo I was hesitant in the first place *because* it uses a plugin, which - in the .xpi form - is actually 2 plugins, one of which is a neatly-formatted JavaScript seemingly to clear the cache, the other a bunch of .dll files which appears to be the core proogram - there are some analysis tools for such, but no source; there's also a .dmg plugin which would be for Mac; I didn't try to download that but suspect it's a similar setup. A pity, since they have an excellent interest rate on their online savings account - but I don't dare to risk it :(