Multi-source capture — Capture from game windows, displays, browser sources, and media files simultaneously.
Live streaming — Stream directly to Twitch, YouTube, Facebook Live, and custom RTMP servers.
Video encoding — Real-time encoding with hardware acceleration support for multiple platforms.
Scene composition — Mix and transition between multiple scenes with filters and effects.
Plugin system — Extend functionality with official and community-developed plugins.
OBS Studio is the industry standard for streaming and recording, used by everyone from casual streamers to professional broadcasters. It's completely free, open source, and runs on Windows, macOS, and Linux with native support for game capture, window capture, and hardware encoding. The plugin ecosystem and active community make it endlessly customizable.