Add 2 Icon
Pixelbox Icons
Commercial usage: Allowed
Add User Icon
Blue Bits Icons
Add Application Icon
Add Profile Icon
Add Database Icon
Add Image Icon
Add File Icon
Add Folder Icon
Add Mail Icon
TheAttic Icons
Commercial usage: Not allowed
G+ Icon
so.media Icons
USB Flash Drive Plus Icon
Fugue 16px Icons
Add Grey Icon
Web Development Icons 4
Expand Grey Icon
Google+ 2 Icon
Pink Girly Social Media Icons
Rocketter Grey Icon
Rocketter Happyness Icon
Album Add Icon
Bwpx.icns Icons
Application Add Icon
Cart Add Icon
Comment Add Icon
Database Add Icon
Document Add Icon
Folder Add Icon
Modifier Add Icon
Package Add Icon
Photo Add Icon
User Add Icon
Blue Add Icon
Minicons Coloria Icons
Green Add Icon
Orange Add Icon