Registration Key - Vspe
vSpe (Virtual Serial Port Emulator) is a Windows utility that creates pairs of virtual COM ports and connects them so applications can communicate as if over physical serial cables. A "vSpe registration key" typically refers to the license code required to unlock the paid/professional features of the software distributed by the official vendor.
nice n very useful tutorials for one who just want to learn wordpress n their plugins. thanx for such nice stuffs in a very easy n explained way.
This list of plugins is awesome, I am using many of these plugins on my regular WP projects and now will use more from this list. Thanks for sharing this list.