As what hgoel0974 said in wololo.net sites, the PSP scene isnt exactly dead but it just moved on to the vita. For those who are interest with programming stuff like me or you guys have an experience on it, let shows your intelligent with it. PSPSDK Wiki is now have been build for the PSP programmer/developer to construct a good documentation for the PSPSDK. PSP/ePSP developers all community need you! Let show em what you got!
Release! E-PSPSDK : https://sites.google.com/site/epspsdk/downloads
PSPSDK WiKi : http://pspsdk.wikia.com/wiki/PSPSDK_Wiki