The Netgate TNSR product uses a combination of Open Source and proprietary software subject to several different licenses.

The following list shows each Open Source component along with its license.

Table of Open Source Licenses Used
Software License
CentOS 7 CentOS EULA
Linux kernel and modules GPLv2
cligen Apache 2.0
clixon Apache 2.0
curl MIT
davici LGPLv2.1
frr GPLv2
kea MPL 2.0
libnl LGPLv2.1
net-snmp Net SNMP
nginx BSD 2-clause
ntp NTP License
openssl OpenSSL/SSLeay
strongswan GPLv2
unbound BSD 3-clause
VPP Apache 2.0

GPL-licensed code modified for use in TNSR is available in source form:

Table of Modified Open Source Repositories
Package Repository Location
Hyper-V Linux kernel modules