PNG ICO ICNS MORE
Clean Social Icons
google
OrangeRed
256x256
Simply Google
google, blogger
PNG ICO ICNS SVG MORE
Social media
Glyph
Social Network
plus icon, G+, +
512x512
G+, +, plus icon
PNG MORE
Flat
Popular Social Services
Flat-icons, google, google-plus
110x110
Popular Services
plus, google
Iconza Circle Social
+, google, G+
Smooth
Yama1 Social
Social, yama, Google+
128x128
Social media icons – The Circle Set
Circle, google
Balvardi Social Network Iconset
Balvardi, google, blogger
Funky - free