Wololo.net is the Home of:

The PSP Genesis competition, the biggest PSP Homebrew competition of all times, with thousands of dollars to win
Wololo's blog, a cynical (yet serious) blog about the PSP underground, Homebrew games (and programming them), and computer security
Half-Byte Loader, a Homebrew loader for all models of the Sony PSP (including the PSP Go). This piece of software allows you to run unsigned software (homebrews) on the Sony playstation portable.
Wagic, a Heroic-fantasy card game available for many platforms, including the PSP, Windows, and Linux.
/Talk, a gaming and programming community.