OBS - Open Broadcaster Software

Open Broadcaster Software is free and open source software for video recording and live streaming. It supports Encoding using H264 (x264) and AAC, Intel Quick Sync Video (QSV) and NVENC, Live RTMP streaming to Twitch, YouTube, DailyMotion, Hitbox and more, DirectShow capture device support, GPU-based game capture for high performance game streaming and lot more.