In our research, we found that some of the most commonly used open source software solutions are:

• Java - Programming language
• Mozilla Foundation - Maker of FireFox
• GIMP - 2D Graphics program
• Linux - Operating system
• MySQL - Database system
• PHP - Scripting language
• Python - Programming language
• SourceForge - repository of open source programs
• Ubuntu - Linux-based operating system
• Apache Software Foundation - Open source webserver
• Fedora Project - Linux-based operating system
• Eclipse Foundation - Open source IDE

However, this is just a sampling of open source software. In reality, a much wider range of software is used.