Open Broadcaster Software: video recording and live streaming

Program: Open Broadcaster Software
https://obsproject.com/index
License: free and open source

Description:
video recording and/or live streaming. I use only for video. Powerfull, more configurations settings than cam studio. You can add diferent windows, monitors, text, image , video -vlc list-, webcam... and switch scenes-( plugin) The classic release works fine for me (windows 7).
the web site: https://obsproject.com/download

There is multiplataform releases: the guide:
https://obsproject.com/forum/resources/open-broadcaster-software-studio-...

old
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.
puede que esto sea util:
https://obsproject.com/forum/resources/obs-and-obs-studio-portable-mode-...