crowdsec : An open-source and participative protection against malicious IPs ( https://github.com/crowdsecurity/crowdsec )
gsa : Greenbone Security Assistant ( https://www.greenbone.net https://github.com/greenbone/gsa )
gsad : Greenbone Security Assistant ( https://www.greenbone.net https://github.com/greenbone/gsad )
gvm : Greenbone Vulnerability Management, previously named OpenVAS ( https://www.greenbone.net )
opennms : Enterprise-Grade Open-Source Network Management Platform ( http://www.opennms.org/ )
zabbix : ZABBIX is software for monitoring of your applications, network and servers ( https://www.zabbix.com/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a flow
For Paludis use this rsync : rsync://gentoo.zugaina.org/flow-portage
If you have a problem : ycarus(-at-)zugaina.org