<s>
MassTransit	O
is	O
free	O
software/open	O
-source	O
.NET-based	O
Enterprise	B-Application
Service	I-Application
Bus	I-Application
(	O
ESB	O
)	O
software	O
that	O
helps	O
.NET	B-Application
developers	O
route	O
messages	O
over	O
RabbitMQ	B-Application
,	O
Azure	O
Service	O
Bus	O
,	O
SQS	O
,	O
and	O
ActiveMQ	B-Language
service	O
busses	O
.	O
</s>
<s>
It	O
uses	O
a	O
"	O
Control	O
Bus	O
"	O
design	O
to	O
coordinate	O
and	O
the	O
Rete	B-Algorithm
algorithm	I-Algorithm
to	O
route	O
.	O
</s>
<s>
By	O
February	O
2021	O
downloads	O
of	O
the	O
package	O
through	O
NuGet	B-Application
passed	O
26,000	O
per	O
week	O
.	O
</s>
<s>
Other	O
similar	O
"	O
NuGet	B-Application
"	O
ESB	O
packages	O
include	O
Rebus	O
and	O
Rhino	O
Service	O
Bus	O
.	O
</s>
