You actually can use a regular IRC client with Slack. Though obviously anything that isn't supported natively by IRC comes through as a URL or encoded somehow.

You actually can use a regular IRC client with Slack. Though obviously anything that isn't supported natively by IRC comes through as a URL or encoded somehow. https://get.slack.help/hc/en-us/articles/201727913-Connecting-to-Slack-over-IRC-and-XMPP https://get.slack.help/hc/en-us/articles/201727913-Connectin...