OBS Studio 20.1

OBS Studio

OBS Studio is software designed for capturing, compositing, encoding, recording, and streaming video content, efficiently. It is the re-write of the widely used Open Broadcaster Software, to allow even more features and multi-platform support. OBS Studio supports multiple sources, including media files, games, web pages, application windows, webcams, your desktop, microphone and more.

OBS Studio Features:

High performance real time video/audio capturing and mixing, with unlimited scenes you can switch between seamlessly via custom transitions.
Live streaming to Twitch, YouTube, Periscope, GoodGame, DailyMotion, Hitbox, VK and any other RTMP server
Filters for video sources such as image masking, color correction, chroma/color keying, and more.
x264, H.264 and AAC for your live streams and video recordings
Intel Quick Sync Video (QSV) and NVIDIA NVENC support
Intuitive audio mixer with per-source filters such as noise gate, noise suppression, and gain. Take full control with VST plugin support.
GPU-based game capture for high performance game streaming
Unlimited number of scenes and sources
Number of different and customizable transitions for when you switch between scenes
Hotkeys for almost any action such as start or stop your stream or recording, push-to-talk, fast mute of any audio source, show or hide any video source, switch between scenes,and much more
Live preview of any changes on your scenes and sources using Studio Mode before pushing them to your stream where your viewers will see those changes
DirectShow capture device support (webcams, capture cards, etc)
Powerful and easy to use configuration options. Add new Sources, duplicate existing ones, and adjust their properties effortlessly.
Streamlined Settings panel for quickly configuring your broadcasts and recordings. Switch between different profiles with ease.
Light and dark themes available to fit your environment.
…and many other features. For free. At all.

OBS Studio 20.1 changelog:

Added the ability to hide/show items in the audio mixer via the mixer context menu
Added the ability to use replay buffer in advanced output mode (Note: cannot be used with the FFmpeg output)
Added the ability to monitor the audio of stingers via its properties
Added the ability to change the audio fade mode of stingers via its properties
Added hotkeys to control VLC source playback (play/pause/restart/stop/next/previous)
Added pulseaudio audio monitoring support on linux
Updated x264 and FFmpeg to their latest versions, with new performance optimizations for newer Intel processors
You can now bring up a context menu via right-clicking the mixer or items in the mixer
Fixed a bug where if you try to stop the stream while reconnecting, the program could freeze up
Fixed a bug where the window dimensions would not always restore properly from the last time the program was closed
Fixed an issue where the program would be milliseconds out of sync
Fixed a linux crash that could happen on program startup
Fixed an issue where shuffle in the VLC source would always start from the first item
Fixed a crash that sometimes occur when a connection times out
Made a workaround for a decklink device driver issue where decklink/blackmagic devices could very slowly go out of sync in the blackmagic source (make sure buffering is disabled if you have this issue; buffering is now disabled by default)
Disabled v-sync preview rendering on mac to prevent it from having an impact on performance