EmojiOne smileys will be useful for the user on such sites as Discourse and Slack. There is also an option to download images and use them in various applications that have support for third-party emoticons, for example, add smileys to discord. Total on this page there are 2623 EmojiOne emoticons.
Choose from the list the liked smiley EmojiOne, move the cursor to the smiley (there will be a pop-up field with the value of emoji) and click to the smiley with the left mouse button to go to the smiley page EmojiOne and find out more information about it, as well as download the picture and copy the smiley code for insertion to sites as Discourse and Slack.