Char Menu stays in the background, until you press Ctrl-Option, when it pops up a window displaying one of the 300+ Unicode pages, so you can click the character you need. As soon as you click, it appears in the application currently selected. It works with al standard applications. Char Menu lets you pick any font available in the system to see how a particular character will look. Select any of the 300+ Unicode pages in an instant,.
Much better than the built in Emojis and symbols ; works with all software, lets you pick a specific font, and organized by Unicode page, lets you enter Foreign languages as if you typed on the keyboard.