Mixed icons

Simple Lines (Filled)
25 icons
Free for commercial use
Kirill Kazachek
Essential Part 3
100 icons
Free for commercial use
Just Icon
Вasic
10 icons
Free for commercial use (Include link to authors website)
Tatyana Kataykina
Pictograms Vol.2
20 icons
Free for commercial use (Include link to authors website)
Sergey Vrenev
Common Toolbar
16 icons
Free for commercial use
GlyphLab
Mini icon set - General / Office
63 icons
Free for commercial use (Include link to authors website)
BomSymbols .
Free Flat Business Icons
32 icons
Free for commercial use (Include link to authors website)
David Cross
TheFreeForty
40 icons
Free for commercial use (Include link to authors website)
Mariano Tardon