DWARFG_LONG is built on and uses several other SW. The list follows:

Critical components used to build or run Dwarfguard.

Linux - operating system kernel
Debian GNU/Linux - operating system including most of the SW below.
Development tools - GCC, Git, Valgrind and others
Libraries - glibc, ssl, json and others
Bash - command line shell
Apache2 - webserver running GUI and proxying DWARFG_LONG webserver
MariaDB - SQL database storing device and server data
Busybox - minimal shell binary on devices
Curl - binary handling data sending and receive on devices
PHP - DWARFG_LONG UI interpreter
Symfony - framework for DWARFG_LONG UI

Non-critical components supporting some features
Python - interpreted language used by agent emulator, agent multi-push tool and SMS send
WebSSH - Web SSH client used for WWW access to SSH tunnel
SSHWifty - Web SSH client used for WWW access to SSH tunnel
Grafana - data visualization tool showing data traffic dashboard

Distributed SW - what of the SW above is included in Dwarfguard package
Symfony - unmodified
SSHWifty - unmodified including complete sourcecode