Smartphone or Tablet Applications and OBDII Dongles:
http://myimiev.com/forum/viewtopic.php?f=22&t=4936
PC Tools and Software:
Mitsubishi: MUT3 (unknown if even available directly from Mitsubishi)
Peugeot : Lexia 3 hardware and Diagbox software works with Peugeot iOn, Citroen C-Zero, and Mitsubishi i-MiEV
viewtopic.php?p=41485#p41485
Dedicated OBDII Scanners:
iCarSoft i909
(Please PM me with any additions, as this is still a work in progress and the tools will eventually get their own dedicated thread. TIA)