Jorndel's Class Hack Tool - pretty good
0 - 150 tested. I think there is nothing in 151-255.
Code:
131 tatical insertion
133 kick
134 focus
135 blind eye pro
137 range
111* smoke grenade
86 overkill pro
85 assassin pro
79 blast shield pro
77 steady aim pro
59 sitrep pro
58 assassin
43 scavanger
38 overkill
35 speed
32 extreme conditioning pro
27 stalker pro
26 dead silence pro
17 overkill
16 scavanger pro
15 sleight of hand
12 steady aim
10 sitrep
9 extreme conditioning
8 dead silence
7 marksman pro