<s>
This	O
is	O
a	O
list	O
of	O
notable	O
chatbots	B-Application
.	O
</s>
<s>
Chatbots	B-Application
are	O
text-based	O
conversation	O
agents	B-General_Concept
that	O
can	O
interact	O
with	O
human	O
users	O
through	O
some	O
medium	O
,	O
such	O
as	O
an	O
instant	B-Application
message	I-Application
service	O
.	O
</s>
<s>
Some	O
chatbots	B-Application
are	O
designed	O
for	O
specific	O
purposes	O
,	O
while	O
others	O
converse	O
with	O
human	O
users	O
on	O
a	O
wide	O
range	O
of	O
topics	O
.	O
</s>
<s>
Albert	B-Protocol
One	I-Protocol
-	O
1998	O
and	O
1999	O
Loebner	O
winner	O
,	O
by	O
Robby	O
Garner	O
.	O
</s>
<s>
A.L.I.C.E.	B-Protocol
</s>
<s>
Eugene	B-Protocol
Goostman	I-Protocol
-	O
2012	O
Turing	O
100	O
winner	O
,	O
by	O
Vladimir	O
Veselov	O
.	O
</s>
<s>
Fred	B-Protocol
-	O
an	O
early	O
chatterbot	O
by	O
Robby	O
Garner	O
.	O
</s>
<s>
SimSimi	B-Protocol
-	O
A	O
popular	O
artificial	O
intelligence	O
conversation	O
program	O
that	O
was	O
created	O
in	O
2002	O
by	O
ISMaker	O
.	O
</s>
<s>
Ultra	B-Protocol
Hal	I-Protocol
-	O
2007	O
Loebner	O
Prize	O
winner	O
,	O
by	O
Robert	O
Medeksza	O
.	O
</s>
