iTunes Controller is an application that allows you to control iTunes wirelessly from your PSP. It supports multiple connections so you can use more than one PSP to control iTunes. Read more about PSP iTunes Controller (PSP Application)
Resonate is a new PSP Homebrew game where the objective is to evolve. You start as a Sea Urchin, and can move up to Tuna, then Stingray then Thresher Shark by collecting evolution tokens. But get damaged, and de-evolve into a lowly Plankton, or lose the level. As a rail shooter it is all about timing and aiming. This game is inspired by the PS2/DreamCast game Rez. Read more about Resonate WIP (PSP Game)
This project allows you to view your computers CPU, RAM and Network Usage on your PSP graphically. You are required to run a small server application on the PC which you wish to monitor, the PSP then connects to this over WiFi and displays the info. The server is written in VB6, while the PSP code is in C++. Read more about PCMonitor (Alpha 5) (PSP Application)