PNG ICO ICNS MORE
Desktop apps
Pixel
Splashyfish
reply, Comment
DarkGray
16x16
Mixed
3D
Flavour Extended
talk, Bubble, Comment
ForestGreen
48x48
Shopping & e-commerce
Smooth
Woothemes Ultimate Icon Set
dots, Comment
Gainsboro
128x128
plain, Comment
write, Comment
Black
PNG MORE
Social media
Handdrawn
Chat, talk, Ask
Led Icons
speech, Comment, Bubble
SteelBlue
Business & finance
Origami
rect, talk, Comment
Gold
256x256
One bit
Comment, Chat, Text
Teal
Computer & hardware
Crystal Project
Comment, Protocol, speech
Comment
Peru
UI
Silk
user, male, Comment
Photography & graphic design
Dark Glass
Message, Chat, talk
LightBlue
Vaga
Chat, Comment, Add
LightSlateGray
delete, talk, Comment
IndianRed
Comment, talk, Chat
DimGray
Signs & symbols
34aL volume 3.2 SE
talk, Comment, Chat
DodgerBlue
24x24
talk, speech, baloon
CornflowerBlue
ASP.NET icons
talk, Comment, plus
RoyalBlue
talk, Chat, Comment
Comment, Chat, Edit
Chat, talk, Comment
SaddleBrown