Open Broadcaster Software is free and open source software for video recording and live streaming.
OBS is completely free! Not a dime! There are no subscriptions or licenses, no payments at all. OBS is available to everyone, with source code publicly available on github for anyone to help contribute. While OBS will always remain free, you are welcome to donate to support the development efforts.
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 monitor capture support.
-Bilinear or lanczos3 resampling.
