Automated discovery and monitoring of network infrastructures (2017-2022)
Open source web application framework for Java (2009-)
The definitive guide to SSL/TLS and Internet PKI (2014-)
The complete guide to securing your Apache web server (2005)
The definitive guide to ModSecurity (2010-2012)
Open source web application firewall (2002-2009)
Computer security publishing and training (2009-)
PHP blog, code, libraries and articles (2002-2005)
The world's favourite SSL/TLS and PKI tool (2009-2016)
DGC
Web-based intranet and document management application (1999)

(1) Acquired by Breach Security in 2006
(2) Acquired by Qualys in 2010
(3) Acquired by Red Sift in 2022