Icon packs

Pixel Perfect Useful
1279 icons Useful
Pixel Perfect Pure Lines
755 icons Pure Lines
Pixel Perfect Glyph 16x16
709 icons Glyph 16x16
234 icons Handwritten
Pixel Perfect Micro
202 icons Micro
Pixel Perfect Double
185 icons Double
Electronic symbols
114 icons Electronic symbols
Pixel Perfect Navicons
56 icons Navicons
Pixel Perfect Double HQ
30 icons Double HQ
18 icons Lonely
Pixel Perfect Old Stuff
10 icons Old Stuff

Usage examples

Some examples founded by Google Image search.

Steam Controller, Gyroscope Icon

Steam Controller gyroscope settings.

Gyroscope icon

4 out of 5, Popcorn Icon
Nothing But Nets

About Malaria.

Mosquito icon

4 out of 5, Popcorn Icon
4 out of 5

Film reviews, essays, and appreciation.

Popcorn icon