3 ms·Slack is IRC for dummies. Use IRC, its 100% free and 1000% more powerful.by leojg 11y agoSlack is IRC for dummies. Use IRC, its 100% free and 1000% more powerful.lerouxb 11y ago100% free: sure. 1000% more powerful: debatable at best.AznHisoka 11y agoOne word: fserves.