<s>
Abacus	B-Application
Data	I-Application
Systems	I-Application
,	O
doing	O
business	O
as	O
Caret	O
(	O
formerly	O
AbacusNext	O
)	O
is	O
an	O
American	O
software	O
and	O
private	B-General_Concept
cloud	I-General_Concept
services	O
provider	O
headquartered	O
in	O
San	O
Diego	O
,	O
California	O
.	O
</s>
<s>
Abacus	O
Private	B-General_Concept
Cloud	I-General_Concept
is	O
a	O
private	B-General_Concept
cloud	I-General_Concept
sold	O
as	O
Desktop-as-a-Service	O
within	O
a	O
Windows	O
Server	O
2012	O
R2	O
environment	O
.	O
</s>
<s>
This	O
private	B-General_Concept
cloud	I-General_Concept
service	O
is	O
colocated	O
across	O
three	O
carrier-neutral	O
data	O
centers	O
that	O
are	O
interconnected	O
via	O
a	O
self-run	O
optical	B-Application
network	I-Application
.	O
</s>
<s>
AbacusNext	O
offers	O
four	O
Windows-based	O
platforms	O
,	O
all	O
of	O
which	O
rely	O
on	O
relational	B-Application
database	I-Application
management	I-Application
system	I-Application
's	O
.	O
</s>
<s>
Two	O
are	O
law	B-Application
practice	I-Application
management	I-Application
software	I-Application
for	O
lawyers	O
;	O
AbacusLaw	O
uses	O
Advantage	B-Application
Database	I-Application
,	O
while	O
Amicus	O
Attorney	O
uses	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
.	O
</s>
<s>
AbacusNext	O
has	O
two	O
platforms	O
for	O
accounting	O
firms	O
that	O
rely	O
on	O
Microsoft	B-Application
SQL	I-Application
Server	I-Application
:	O
ResultsCRM	O
,	O
a	O
customer	O
relationship	O
management	O
for	O
QuickBooks	B-Application
,	O
and	O
OfficeTools	O
practice	B-Application
management	I-Application
software	I-Application
.	O
</s>
<s>
In	O
December	O
2015	O
,	O
American	O
private	O
equity	O
investment	O
firm	O
Providence	O
Equity	O
Partners	O
took	O
a	O
strategic	O
majority	O
investment	O
in	O
AbacusNext	O
(	O
Abacus	B-Application
Data	I-Application
Systems	I-Application
at	O
that	O
time	O
)	O
.	O
</s>
<s>
February	O
2017	O
:	O
acquired	O
Virginia-based	O
software	O
company	O
Results	O
Software	O
,	O
makers	O
of	O
ResultsCRM	O
.	O
</s>
<s>
November	O
2017	O
:	O
acquired	O
Scotland-based	O
software	O
company	O
HotDocs	B-Application
.	O
</s>
<s>
HotDocs	B-Application
was	O
previously	O
owned	O
by	O
LexisNexis	B-Library
before	O
being	O
sold	O
in	O
2009	O
.	O
</s>
