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Simply beautiful open source icons
I contributed the RSS icon to Feather a few years ago. The circle shape in the RSS icon is visually denser and deviates from all other shapes in the icon set. I apologize for breaking the constraints but in my defense, it looks much nicer this way  https://feathericons.com/?query=rss.
Search engine for SVG icons with over 50,000 icons from 75+ sources.
Shameless self promotion: IconSear.ch - instant icon search of almost 100K icons from over 100 sources (including feather!), linked directly to the icon source. More source ideas welcome!  https://iconsear.ch/search.html  https://iconsear.ch/icons/index.html  https://iconsear.ch/sources/index.html.
Beautiful, free SVG icons from the makers of Tailwind CSS.
I love these icons! Have used them in a few projects. A similar project I also enjoy using is https://heroicons.com/.
Perfectly rounded icon library for your projects.
Creating, Sharing and Celebrating the World's Visual Language
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And there I was, thinking for a split-second that Feathers would finally get the recognition it deserves ;-)  https://feathersjs.com/.