OBS Studio

OBS Studio is used by 90% of Twitch streamers, supporting 1080p60 output with less than 5% CPU overhead compared to premium rivals costing $20/month. Its zero-watermark policy and real-time audio optimization deliver professional-grade broadcast quality at no cost. Outperforming #3 Ubuntu's desktop productivity for live production, OBS specializes in multi-source mixing, making it indispensable for creators needing reliable, lightweight streaming tools.