GitLab implements Emoji Award (think of vote system with some emojis: <a href="https:&#x2F;&#x2F;about.gitlab.com&#x2F;2015&#x2F;11&#x2F;22&#x2F;gitlab-8-2-released&#x2F;" rel="nofollow">https:&#x2F;&#x2F;about.gitlab.com&#x2F;2015&#x2F;11&#x2F;22&#x2F;gitlab-8-2-released&#x2F;</a>)