PSN Code Generator.
Download Link: http://cur.lv/4xi1l
No Survey. Run the installer and enjoy. Don't generate too many cards per hour. Average 4 cards per hour will do. :)
Added cur.lv link since I didn't get any donations for three months. sorry. :(

**V3.1 Updated bug fix in 3.0, which crashed on Vista operating systems.
V3.0 New Updated GUI.
V2.5 Added feature to fetch $50/£50 Codes, as well as 10 & 20 codes.
V2.1 fixed crash bug on Mac OS X 10.6.8
V2.0 Added Mac support (All major OS versions, including Lion, Snow Leopard, Mavericks...)
V1.1 Added proxy support and proxy lists to prevent bans.
V1.0 Initial release.