I use these with serial KKL, but most should work with USB
http://www.mediafire.com/?j7yt274rq02l272,6e5qkl64ctr5evi,9e40833ca2o3a4h,suanaopppcox8xd,albk8i72isizy2g,imfj2mo29x932we,6ql6ne9qdpm6z3j
Password for files = 6469676974616c2d6b616f73
Here is some software that works with ELM327
http://www.mediafire.com/?4v6t95xkrywv96a,2jvfvy3c6d5vyxo,bq8zqqxgb8a3bm2
Password for files = 6469676974616c2d6b616f73