OSS

Organization

• Free Software Foundation (GNU)
• Linux Foundation
• Apache Software Foundation
• Mozilla Foundation

Software

• Apache HTTP Server - HTTP Server
• Apache Tomcat - Application Server
• Apache Struts - Web Framework
• Sendmail - Mail Delivery System
• Bind - Domain Name System
• OpenSSH - Secure Terminal Software
• OpenSSL - Toolkit for SSL/TLS
• GnuPG - Encryption Software
• Asterisk - IP-PBX