Homebrew Apps
Open PS2 Loader (OPL) is a 100% Open source game and application loader for the PS2 and PS3 units. It supports three categories of devices: USB mass storage devices, SMB shares and the PlayStation 2 HDD unit.
USB devices and SMB shares support USBExtreme and *.ISO formats while PS2 HDD supports HDLoader format, all devices also support ZSO format (compressed ISO). It's now the most compatible homebrew loader.
Free Memory Card Boot (FMCB) is a piece of homebrew software, which is designed to setup your PlayStation 2 console and provides you with means of launching homebrew software,
without the need for any extra hardware, modifications to your console or dangerous tricks like the legendary swap trick.
Free Harddisk Drive Boot (FHDB) is basically FMCB that gets installed onto the PlayStation 2 console's HDD unit. It does everything like FMCB does, but is meant to be used with the Sony HDDOSD (Browser update v2.00).
A new App-System for PS2, which integrates more seamlessly and easier for the end-user, into the PS2's setup and the general Homebrew-Ecosystem.