OBS Multiple RTMP Outputs

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What OBS Multiple RTMP Outputs is

OBS Multiple RTMP Outputs is a free GPL-2.0 plugin that lets OBS send a stream to several sites at once. You can add output targets and start or stop all of them together. Each target can have separate scene, encoder, resolution, framerate, audio mixer and VOD-track settings. Encoder choices include reusing OBS’s streaming or recording encoder, or sharing one from another output. Targets can synchronize their start and stop actions with OBS. The maker originally created the plugin for virtual YouTubers, or VTubers. Packages are provided for Linux, macOS and Windows, including Flatpak and Ubuntu packages, a universal macOS package, and Windows installer and manual-install packages. The plugin version should match the installed OBS Studio version. Automatic update checking is not included. There is no browser-based studio. Donations are accepted, but not for feature requests.

Who it suits

This plugin suits OBS users who need simultaneous custom RTMP destinations, especially creators managing several broadcasts. It is also relevant to VTubers, its original intended audience.

What it does well

Streams to multiple destinations simultaneously
Separate settings for every output target
Can reuse or share OBS encoders
Linux, macOS and Windows packages
GPL-2.0 licensed and free

What to know first

Requires a matching OBS Studio version
No automatic update checking
No browser-based studio
Donations do not request features

Plans

Plan	Billed and limits	Price
Free	No fee; donations accepted	Free

As sorayuki.github.io lists them, read 11 Oct 2026. The maker's own page has the final word.

Verdict

OBS Multiple RTMP Outputs adds coordinated multistreaming to OBS with per-target controls and encoder options. It is free across major desktop platforms, but installation must match the OBS version and updates are manual.

Facts from OBS Multiple RTMP Outputs's own pages

Browser-based studio: No · github.com, 21 Sept 2026
Compatibility: The maker says the plugin version should match the installed OBS Studio version. · sorayuki.github.io, 11 Oct 2026
Custom RTMP destinations: Yes · github.com, 21 Sept 2026
Donations: The maker accepts donations and says donations are not a channel for requesting features. · sorayuki.github.io, 11 Oct 2026
Encoder reuse: The settings include options to reuse the OBS streaming or recording encoder, or share an encoder from another output. · github.com, 11 Oct 2026
Free plan: Yes · github.com, 21 Sept 2026
Intended users: The maker says it was originally made for virtual YouTubers (VTubers). · github.com, 11 Oct 2026
License: The GitHub repository identifies the project as GPL-2.0 licensed. · github.com, 11 Oct 2026
Linux support: The maker provides Flatpak and Ubuntu packages for supported OBS installations. · github.com, 11 Oct 2026
macOS support: The maker provides a universal macOS package. · github.com, 11 Oct 2026
Multiple outputs: The interface supports adding targets and starting or stopping all outputs together. · github.com, 11 Oct 2026
Multistreaming: Yes · github.com, 21 Sept 2026
OBS synchronization: Each target can be configured to sync its start and stop with OBS. · github.com, 11 Oct 2026
Output settings: Targets can have streaming, video, and audio settings, including scene, encoder, resolution, framerate, audio mixer, and VOD track. · github.com, 11 Oct 2026
Purpose: The plugin lets OBS stream to multiple sites at the same time. · sorayuki.github.io, 11 Oct 2026
Security: The repository's Security page says no security policy is configured and no security advisories are published. · github.com, 11 Oct 2026
Updates: The product page says automatic update checking is not currently included. · sorayuki.github.io, 11 Oct 2026
Windows support: The maker provides a Windows installer and a package for manual installation into a specific OBS folder. · github.com, 11 Oct 2026