Begins with letter <K>

Kaboom 3.0
KBN3-310059

Kai’s Power Tools 
Password: KPT273

Kaleidoscope
v1.8.1  AC10-M345K-VW98C-359  
v1.7    AC10-M345K-VW98C-359  
v1.5    AC10-M345K-VW98C-359
v1.0.1  AC10-M345K-VW98C-359

Keep It Up v1.3.1
User:  SPC
Serial Number: 300400002300540  (Single User)    
Serial Number: 430000002300540  (30 Users)     
Serial Number: 500200002300540  (Site Licence)

Keep Trying!
v 1.0.x
Name: Serial
Code: 677413
v1.0
Name: MoonDark
SN:   88509733

Keroppi Day Hopper
4LA9-4103-S9MT

Keychain Cat 
v 1.x
SN: 543390014

Key Commander v1.0
Name :   MoonDark
Code :   The Eye

KeyDiskTerminator  
v4.0   T4-10305                                                                                                                                     v2.2   SN R10132

Keys Off 1.1
KO567B-CDZ319

Key Quencer Lite v2.0
Name: Akuma
Code: KQLT-7332-4742

Kids AnimationMaker
v 1.x
Name: Kid SN
Code: KIDSAM24ISCF5

Killer Transitions 1.0
KT1-10001-BWM19-01123

Kinematic Land 1.5.1
7807-01-98-4511

Kineticon 
 v1.0.x
SN: 256826586230260
v1.0.2
SN: 014103644555065        
SN: 314109642575085

Kinematic Land 1.5.1
SN: 7807-01-98-4511

K.I.S.S. v1.0  (Keep It Simple Spreadsheet)
KS1-010-001-025-550

Kiwi Envelopes 3.x
KE301120RA KE304244RC KE311870RK KE311120RA

Kiwi Power Windows v1.0
10KPW002996b

KiwiFinder 1.0
VB1011672KF KE304244RC KE301120RA KE311120RA KE311870RK

Kodex 1.01
ESN-121-4521-190103

Knot

v3.x.x
1773298921
1471981668
1913540121
v3.7.1
646053593     360709717     437875812     418487465     225560778
v3.6 
106585 141965 195220 266302 319009 337008 354837 390393 407786 408154

KnowledgeMiner 
v2.1SN: 1832016584
v2.0  SN: 1474067771

KPT Final Effects 
v3.0 SN: 18002-15447-00597

KPT Vector Effects v1.0
17006-07049-0003639   17001-07047-0107809

Kudo Image Browser
v2.2.x  SN: A305567890