Reflect - Reflect is a note-taking tool designed to mirror the way your brain works.
IconShock - Over 2 million free icons in 400+ icon sets over 30 styles
Iconoir - A diverse and open-source library with 900+ icons
Vizzu - Vizzu lets you use animated charts to share insights in complex data sets as self-explanatory stories.
Streamline icons - The world’s largest icon pack library - 100k icons and illustrations.
IconStore - Free icon packs by first-class designers