<s>
Grindstone	B-Application
is	O
a	O
freeware	B-License
Microsoft	B-Application
Windows	I-Application
desktop	O
application	O
that	O
allows	O
users	O
to	O
create	O
and	O
organize	O
tasks	O
and	O
to	O
track	B-Application
time	I-Application
.	O
</s>
<s>
In	O
addition	O
,	O
Grindstone	B-Application
can	O
synchronize	O
time	O
tracking	O
data	O
for	O
multiple	O
users	O
via	O
a	O
paid	O
service	O
called	O
Task	O
Force	O
.	O
</s>
<s>
+	O
Grindstone	B-Application
versions	O
Version	O
Date1.02008-10-102.0	O
?	O
3.0	O
?	O
3.1.55752015-04-084.0.6488.7062approx	O
.	O
</s>
