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UI
Outline
Linecon
tick, success, yes
Black
512x512
Glyph
iOS Tab Bar
complete, done, Circle
ok, Circle, done
Freeline
ok, yes, tick
Very Basic. Android L (Lollipop)
Checked, Accept, yes
done, check mark, good
ok, Accept, Choose
Smooth
Snipicons
ok
ok, Circle
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Pixel
Lynx Black
ok, Dialog
24x24
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Free Mobile Icon Kit
ok, smile
64x64
3D
Pulse Pack
no, 51lll, ok
ok, no
ok, Process
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Gnome Web Icons
yes, ok, tick
Ultimate Gnome
ok, yes, Check
256x256
Gnome icons
ok, Lock
48x48
Signature, ok
Crystal Clear
on, select, correct
128x128
ok, good, yes