D

Dabbler v1.0
0013058-6239

DataDesk 5.0
Tip: Accepts any hex number between 1 and FFFFFFFF (inclusive) as a SN.

Datebook Pro and TouchBase Pro 
xxR79J4Y6J257ZM5  xxLA974R6J29IH0T  xx8S9Z4C6-2IO9O0  xxKM9K4Y6V2P-LBM xxI59X46632TUJHG  xx2N9Q4J6B2ODOHI  xx-792466D2S-2J3  xxFQ9J4D6O2-XXRO xxVG9C4O6C2ZA100  xxWM9Y4Z672OHI4M  xxTT9Q4N6C22B-5N  xxWK974E622I8ZPV xxWP9I466Q2G3BLW  xxO5914S6S2W5P6A  xxV59E456N2SYIMY

Daymaker 3.0.3
0148D-0F68F9-1F100 0349-13D8B8-F5000 03409-13D8B8-F5000

dBase IV 5.5
1234567-28

DeBabelizer 1.6.x
-9980-700087-963639  -4540-609699-575364  -4010-503318-842332

Deck II 2.5
33025-0008-1201-46401

Deliverance 1.0
51244-442657-100016

Delta Graph Pro 
v4.0   MUE40-0326-1631366984
v3.5   2000002464    DGM3000900

DesignWorks 3.14
CVFC X9AF VA1J X5KA 95TL

DiagnoSYS 1.0
B102131444366

Digital Dead 
xxnnn5nnxnnnnY Tip: x = alpha char n = numeric char

Digital Input Noise Reduction DINR 1.0
yj9660mkk236

DigiTrax 1.2
ALS4312536 ALS4312135

Dilbert Screen Saver 
5180-6344-1654

Dimensions 2.0
DAW100R3100720-191 DAW200U3200000-109 DAW200U3200001-742 DAW200U3200002-375 DAW200U3200003-292

Direct Tex Pro 
Beta Testers,None,T-1654327,5257-100226-7817
Anonymous,None,T-1234567,2431-808781-0806

Director 5.0
DRM500-53375-57072-29379 DRM500-57179-17072-29377 DRM500-54076-47072-29376

Disk Cafe 
DC000444B52 DC000796A32

Disk Express II 
JV103761 JE103744 JI103774 JV103735 JX103737 JX103763 JY103738 JZ103739

Disk Manager Mac 
190915

DiskDup Pro 1.0.3
1641882382  1800012382  0537912382

DiskMaster 1.0
DMR100AAA00000043

DiskTools Collection 3.x.y
DTC-03xy-013515798  DTC-03xy-078005618  DTC-03xy-442515138

DiskTracker 1.0.3
UKUYUSYOKE 'Anonymous'

DiskTop 4.5.2
0065449  0065279

DiskTracker 1.0.2
UKUYUSYOKE 'Anonymous'

Ditto 1.0
XXXXXXXX-XXXXXXXX (any numbers in this format)

DOSMounter v4.0
DS111247

Double Helix 
DHMC180800011V30R1

DoubleScroll 2.1
11000*FT33$2931

Down to Business 
SSN719

Download Mechanic
1.6.3 
BSPC555100

DragStrip 2.0.1
2RC-Z2D-AQA6

Dramatic Pro
2344-2344-ABCD-2344-2344-3U35