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Signs & symbols
Glyph
Web UI
Keyboard, Key, Apple
Black
512x512
Business & finance
Font Awesome
Key
Bold Purple (Free Samples)
Key, navigation, Enter
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Emergency signs
Code, sos, Key
LimeGreen
503x512
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Tools & construction
Hand tools
Key, tool
Miscellany Web icons
Protection, security, Key
434x512
Computer & hardware
Data icons
Flash, Key, Usb
Network & communications
Cloud Computing
password protect, Key, Lock
DarkSlateGray
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UI
Elysium Icons
Key, login, sign in
DimGray
24x24
GlyphPack
Blogger
38x38
Google Material Design icons
Key, Vpn
Very Basic. Android L (Lollipop)
secure, protect, Key
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Mixed
Simple Icons
Key, Lock
Iconico
Code, password, locked
1024x1024
Icons Solid
Mobile apps
app types in grey
rent-a-car, Car, Key
shopping website
locked, Key, key lock
256x256
Octicons
448x512
Typicons
FatiCons
Freecns Cumulus
