RemixIconEx.Logos.open_source

You're seeing just the function open_source, go back to RemixIconEx.Logos module for more information.
Link to this function

open_source(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Logos.open_source()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M12 2c5.523 0 10 4.477 10 10 0 4.4-2.841 8.136-6.789 9.473l-.226.074-2.904-7.55C13.15 13.95 14 13.054 14 12c0-1.105-.895-2-2-2s-2 .895-2 2c0 1.077.851 1.955 1.917 1.998l-2.903 7.549-.225-.074C4.84 20.136 2 16.4 2 12 2 6.477 6.477 2 12 2zm0 2c-4.418 0-8 3.582-8 8 0 2.92 1.564 5.475 3.901 6.872l1.48-3.849C8.534 14.29 8 13.207 8 12c0-2.21 1.79-4 4-4s4 1.79 4 4c0 1.207-.535 2.29-1.38 3.023.565 1.474 1.059 2.757 1.479 3.85C18.435 17.475 20 14.92 20 12c0-4.418-3.582-8-8-8z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}