Description: NeutronMail is an open-source, privacy-focused email service. It uses end-to-end encryption to secure messages, and has security measures in place to prevent data harvesting, tracking, and ads.
Type: software
Pricing: Open Source
Description: Zentyal is an open source Linux server that offers a variety of network services, including DHCP, DNS, HTTP proxy, firewall, VPN, mail, viruses blocking, gateway, unified threat management, LDAP directory, Samba file server, and certification authority.
Type: software
Pricing: Open Source