PSP plugins for 6.XX : Free Download, Borrow, and Streaming : Internet Archive
PSP Audioware's new Twin-L classic limiter plugin launches at $49 USD
PSVita News: TheFlow working on plugin to potentially get PSP resolution hacks working on more games! – More 960×544 PSP games on the Vita may be possible - Wololo.net
PSP3D 2.21, more 3D for Your PSP - Wololo.net
Psp plugins : r/PSP
PSP PSP-FX-BUNDLE Collection Of 5 Creative Effect Plugins [Virtual] | Full Compass Systems