<s>
GrexIt	B-Protocol
is	O
a	O
software	O
firm	O
that	O
released	O
collaboration	B-Application
software	I-Application
of	O
the	O
same	O
name	O
,	O
notable	O
for	O
its	O
market	O
presence	O
in	O
the	O
field	O
of	O
email-based	O
collaboration	O
.	O
</s>
<s>
The	O
product	O
,	O
GrexIt	B-Protocol
,	O
Renamed	O
to	O
Hiver	O
(	O
2015	O
)	O
,	O
is	O
a	O
software	B-Architecture
as	I-Architecture
a	I-Architecture
service	I-Architecture
application	O
that	O
helps	O
organizations	O
collaborate	O
from	O
their	O
email	O
inboxes	O
.	O
</s>
<s>
The	O
core	O
of	O
GrexIt	B-Protocol
's	O
functionality	O
is	O
Shared	O
Labels	O
in	O
Gmail	B-Application
,	O
with	O
which	O
users	O
can	O
share	O
and	O
sync	O
email	O
conversations	O
with	O
their	O
colleagues	O
using	O
labels	O
in	O
their	O
Google	B-Application
Apps	I-Application
email	O
.	O
</s>
<s>
They	O
can	O
also	O
add	O
email	O
conversations	O
to	O
a	O
shared	O
email	O
repository	O
that	O
is	O
hosted	O
with	O
GrexIt	B-Protocol
,	O
and	O
is	O
easily	O
searchable	O
and	O
browsable	O
.	O
</s>
<s>
In	O
August	O
2015	O
,	O
GrexIt	B-Protocol
renamed	O
its	O
product	O
to	O
Hiver	O
with	O
increase	O
functionalities	O
from	O
email-boxes	O
.	O
</s>
<s>
GrexIt	B-Protocol
’s	O
Beta	O
was	O
launched	O
in	O
2011	O
,	O
with	O
a	O
small	O
set	O
of	O
features	O
focused	O
on	O
helping	O
companies	O
collaborate	O
without	O
having	O
to	O
leave	O
their	O
email	O
inboxes	O
.	O
</s>
<s>
GrexIt	B-Protocol
was	O
then	O
publicly	O
launched	O
in	O
2012	O
.	O
</s>
<s>
As	O
of	O
October	O
2012	O
,	O
it	O
competes	O
with	O
other	O
similar	O
products	O
like	O
Basecamp	O
,	O
Zendesk	O
,	O
Streak	O
and	O
Huddle	B-Protocol
.	O
</s>
