Notice Header Free, open source software for live streaming and recording Facebook Twitter Community Chat Donate Navigation Home Download Forum Help FAQ Estimator Log Analyzer Contact End Navigation End Header Windows 7/8 Vista supported with SP2+ View Changelog Windows 7/8 OSX 10.8+ Linux View Changelog Open Broadcaster Software is free and open source software for video recording and live streaming. Supported features include: Encoding using H264 (x264) and AAC. Support for Intel Quick Sync Video (QSV) and NVENC. Unlimited number of scenes and sources. Live RTMP streaming to Twitch, YouTube, DailyMotion, Hitbox and more. File output to MP4 or FLV. GPU-based game capture for high performance game streaming. DirectShow capture device support (webcams, capture cards, etc). Windows 8 high speed mon...