<s>
Spyglass	O
became	O
well	O
known	O
for	O
its	O
version	O
of	O
the	O
Mosaic	B-Application
web	I-Application
browser	I-Application
.	O
</s>
<s>
In	O
May	O
1994	O
,	O
Spyglass	O
licensed	O
NCSA	O
's	O
Mosaic	B-Application
browser	I-Application
for	O
several	O
million	O
dollars	O
,	O
with	O
the	O
intent	O
to	O
develop	O
their	O
own	O
Web	O
browser	O
.	O
</s>
<s>
However	O
,	O
NCSA	O
's	O
development	O
effort	O
had	O
resulted	O
in	O
different	O
features	O
,	O
user	O
interfaces	O
,	O
and	O
codebases	O
for	O
each	O
of	O
its	O
major	O
platforms	O
:	O
UNIX	B-Application
,	O
Microsoft	B-Application
Windows	I-Application
,	O
and	O
classic	B-Application
Mac	I-Application
OS	I-Application
.	O
</s>
<s>
Spyglass	O
therefore	O
created	O
its	O
own	O
Mosaic	B-Application
codebase	O
in	O
which	O
most	O
source	O
code	O
and	O
all	O
features	O
were	O
shared	O
between	O
platforms	O
.	O
</s>
<s>
Instead	O
,	O
it	O
licensed	O
the	O
code	O
to	O
re-sellers	O
that	O
delivered	O
either	O
an	O
unmodified	O
Spyglass	B-Application
Mosaic	I-Application
(	O
e.g.	O
,	O
O'Reilly	O
and	O
Associates	O
)	O
or	O
a	O
browser	O
based	O
on	O
the	O
Spyglass	O
codebase	O
(	O
as	O
did	O
CompuServe	O
,	O
IBM	O
and	O
Ipswitch	B-Protocol
)	O
.	O
</s>
<s>
Among	O
the	O
browsers	O
produced	O
under	O
license	O
using	O
Spyglass	B-Application
Mosaic	I-Application
's	O
codebase	O
was	O
also	O
Microsoft	O
's	O
Internet	B-Application
Explorer	I-Application
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
major	O
desktop	O
platforms	O
,	O
Spyglass	O
ported	O
Mosaic	B-Application
to	O
other	O
systems	O
including	O
Nintendo	B-Operating_System
64	I-Operating_System
for	O
the	O
SharkWire	B-Device
Online	I-Device
system	O
.	O
</s>
<s>
Netscape	B-Protocol
Communications	O
Corporation	O
,	O
co-founded	O
by	O
Marc	O
Andreessen	O
,	O
released	O
its	O
flagship	O
Netscape	B-Protocol
Navigator	I-Protocol
browser	O
in	O
October	O
1994	O
,	O
and	O
the	O
company	O
soon	O
became	O
the	O
web	O
browser	O
industry	O
leader	O
.	O
</s>
<s>
Mosaic	B-Application
's	O
code	O
became	O
the	O
basis	O
for	O
Internet	B-Application
Explorer	I-Application
,	O
which	O
was	O
released	O
as	O
an	O
add-on	O
to	O
Windows	B-Application
95	I-Application
in	O
the	O
Microsoft	B-Application
Plus	I-Application
!	I-Application
</s>
<s>
Internet	B-Application
Explorer	I-Application
6	I-Application
and	O
older	O
acknowledged	O
Spyglass	O
and	O
NCSA	B-Application
Mosaic	I-Application
in	O
the	O
'	O
About	O
 '	O
panel	O
,	O
but	O
the	O
message	O
was	O
removed	O
starting	O
with	O
Internet	B-Application
Explorer	I-Application
7	I-Application
in	O
2006	O
.	O
</s>
<s>
Spyglass	O
created	O
and	O
marketed	O
a	O
commercially	O
supported	O
web	B-Application
server	I-Application
for	O
Unix	B-Application
and	O
Windows	B-Device
NT	I-Device
,	O
variously	O
called	O
Spyglass	B-Application
Server	I-Application
and	O
Server	O
SDK	O
.	O
</s>
<s>
Like	O
the	O
Netscape	B-Protocol
server	O
that	O
was	O
already	O
on	O
the	O
market	O
,	O
the	O
Spyglass	B-Application
Server	I-Application
included	O
an	O
application	B-Application
programming	I-Application
interface	I-Application
that	O
allowed	O
server-side	B-Application
applications	O
to	O
run	O
in	O
the	O
server	O
's	O
process	O
.	O
</s>
<s>
The	O
two	O
server	O
platforms	O
differed	O
in	O
their	O
approach	O
to	O
security	O
,	O
with	O
Spyglass	O
using	O
the	O
Secure	B-Protocol
Hypertext	I-Protocol
Transfer	I-Protocol
Protocol	I-Protocol
(	O
SHTTP	B-Protocol
)	O
,	O
while	O
Netscape	B-Protocol
used	O
its	O
own	O
Secure	B-Protocol
Sockets	I-Protocol
Layer	I-Protocol
(	O
SSL	O
)	O
.	O
</s>
<s>
The	O
largest	O
licensee	O
was	O
Oracle	B-Application
Corporation	I-Application
.	O
</s>
