Calendar Icon
Flat Icons
Commercial usage: Not allowed
Maximal Square Icons
Light Icons
Supernova Icons
Hex Icons Pack
Commercial usage: Allowed
Beautycons Icons
Boxed Metal Icons
Tasks Icon
Variations Icons 3
Calendar 2 Icon
Task Manager Icon
Circle Icons Add-on 1
Cold Fusion HD Icons
Calendar Google Icon
TWG iPhone Toolbar Icons
MMII FLAT Icons 1
Circle Icons
Simply Pixel Icons
Stylo Icons
Playcons Icons
Calendar v2 Icon
Calendar v3 Icon
Calendar v4 Icon
gCons Icons
Buttonized Icons
Calendar 1 Icon
Mira Icons