Evericons is a simple and totally free icon pack.
Main 420 icons are designed on a 24×24 grid, and additional 50 icons are designed on 16×16 grid.
Vivid.JS is an SVG Icons library which can be used to add highly customizable vibrant icons to the DOM without any dev dependencies.
Vivid.JS is easy to adapt and can bring SVG icons to life using html5 data attributes on the go.
Jollycons is a growing collection of fun & bold icon sets (375 icons in total) to help you take your designs to the next level.
I've been working on this personal project for almost a decade now and I will continue to work on them as long as I can. It's mixture of essential icons and symbols for everyday design work, designed to withstand fancy design trends and to be easily recognized worldwide even years from now.