This is a short list of selected open source and free software that is in mainstream use.
Backup
Blogs
Bundle
- EasyPHP (Apache, MySQL, PHP, phpMyAdmin)
- XAMPP (Apache, MySQL, PHP, phpMyAdmin, Webalizer, FileZilla, msmtp)
Content Management System
Database
Development Environment
FTP
Image Editor
Library
Mail Server
Middleware
Mobile Messaging Hub
Operating System (Linux)
Scripting Language
Text Editors
