Pf e netfilter, analisi dei firewall open source
Npppd: easy vpn with OpenBSD
Relayd: a load balancer for OpenBSD
SOGo: sostituire Microsoft Exchange con software Open Source
LibreSSL
LibreSSL, one year later
ELK: a log management framework
OpenSSH: keep your secrets safe
OpenSMTPD: we deliver !!
Pledge in OpenBSD