CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
FIDO® Certified StrongKey FIDO Server (SKFS)
Anti Spam SMTP Gateway
AS2 1.1 server implementation in Java
The box to keep the Internet under your control
Nash Operating System for Modern Ecommerce
An easy-to-use anti-spam email gateway
This Program Contains Many Useful Network Tools
Secure mail + Tor gateway
Open Source Anti-Spam and Anti-Virus Gateway
Ciphermail email encryption gateway (S/MIME, OpenPGP, PDF encryption)
Open Source API-centric PHP Micro-framework
The Koozali SME Server is a simple and robust server gateway for SOHO
EFT simulator