Noun Project
The most diverse collection of icons ever. Download SVG and PNG. Millions of free icons or unlimited royalty-free icons with NounPro.
thenounproject.com
Streamline 3.0 - 30,000 free PNG icons
Over 30,000 something icons You read that right. Lots of icons in this release! Over 10,500 in three different weights. 53 categories, 720 sub categories, and over 30,000 something in total. We've actually lost count... Find the Right Icon In Seconds You've asked, we've listened.

www.streamlineicons.com

Iconic - Free "do wtf you want with" pixel-perfect icons
Free, "do wtf you want with" pixel-perfect icons. New icons added every week.

iconic.app

Material Icons
Get Material Icons
material.io
Font Awesome
The world's most popular and easiest to use icon set just got an upgrade. More icons. More styles. More Options.

fontawesome.com

Heroicons
Beautiful hand-crafted SVG icons, by the makers of Tailwind CSS.

heroicons.com

Orion Icon Library
The best Icon Tool. 8613 Free SVG & PNG Icons. Search, organize, edit and download our highly flexible Icons.
orioniconlibrary.com
IcoMoon
IcoMoon provides a package of vector icons, along with a free HTML5 app for making custom icon fonts or SVG sprites. Browse among thousands of pixel perfect icons or import your own vectors.
icomoon.io
Line Awesome - Free Beautiful Icon Font
Replace Font Awesome with modern line icons with a single line of code.

icons8.com
Icon organizer and icon library | Nucleo
A premium library of 20000+ vector icons organized in 30 categories, and a powerful application to collect, customize and export all your icons in different formats such as SVG, icon fonts and JSON files.

nucleoapp.com

Flaticon, the largest database of free vector icons
3,228,500+ Free vector icons in SVG, PSD, PNG, EPS format or as ICON FONT. Thousands of free icons in the largest database of free vector icons!
www.flaticon.com
Fontello - icon fonts generator
Tool to build custom fonts with icons.
fontello.com
A lightning-fast SVG icon organizer and manager.
By organizing with sets or tags in Iconset manager app, icons are always at your fingertip. Download free icons Drag icons from Iconset directly into your favorite tool! No more plugin installs with this all-in-one icon manager. Iconset supports any cloud service, such as Dropbox, OneDrive or Box to power up the icons sharing with team members.
iconset.io