Using the Glyphs App
You can find new icons, create kits, edit kits, and add icons to your kit all through the icons page at http://glyphs.co/icons/ If you don't have beta access yet, please be patient. We're letting in new beta users as soon as we can. If you're not on the list, get on it now by going to http://glyphs.co
Once you visit the new icons page, you'll see a variety of ways to both search icons and add icons to your kits. Let's go over kits first.
A Kit is a collection of icons to be used on a single domain. If you want to use Glyphs.co on more than one domain, you'll need to make a separate kit for each site. If you're in the beta, you can see which icon kits you already have created by clicking the "My Icon Kits" or the name of your selected kit in the top kit toolbar. From there, clicking on the name of an Icon Kit will switch your editing process over to that kit. That means that if you switch to a new kit and start selecting icons, they will be added to the selected kit.
In the Icon Kits top toolbar, you'll also noticed a small eye icon and a small gear icon. Clicking the gear will bring up your kit preferences, whereas clicking the eye will show you which icons are in your kit.
As you can see, we have thousands of icons, but it is very easy to find the exact icon you're looking for. Use the filters in the sidebar if you just want to peruse the collection. Feel free to change the display options too if you're curious how the icons will look at a different size or color.
If you're looking for a specific icon, use the search. It's at the very top of the sidebar, and it's very powerful. Once you find some icons you want to add to your kit, click on them. Select one or as many as you'd like, and then click the pink "Save Selections" button to add them to the kit that's selected in the Icon Kit top toolbar.
When you hover over an individual icon, you'll notice two buttons appear, Icon Details and Quick Use. Quick use will give you the code snippet to place the icon where you'd like on your own site. If you click Icon Details, you'll see the icon at a variety of sizes and find more detail. You can also see related icons here if you're looking for an icon similar to the one that you've found. Icon Details will also give you some insight on how to style a specific icon and what limitations it may have.