Aitum Multistream and Aitum Vertical are free and open source — genuinely solid, no complaints. Aitum Nexus is where the subscription starts, and it bundles unified chat, chat overlays and activity feeds into a much bigger automation suite. MultiStream OBS Plugin sells just that slice, on its own, for €4.99 once.
Get it for €4.99 →Aitum Multistream (free, open source, OBS 30+) and Aitum Vertical (free, open source, records too, also on macOS) are both good at what they do. If all you need is multistreaming or a vertical canvas, there's no reason to pay anyone for that — use Aitum's free plugins. MultiStream OBS Plugin includes both of those too, because they're table stakes for a modern OBS setup, but they aren't what we charge for.
To get a combined chat, a chat overlay browser source, and an activity feed from Aitum, you need Aitum Nexus — a $5.49/month ($49.99/year) subscription. It's a real automation platform: scene triggers, Stream Deck integration, MIDI, viewer interactivity — chat and alerts are a few widgets inside a much larger tool.
MultiStream OBS Plugin doesn't try to be an automation platform. It's a focused package — combined chat, chat overlay, activity feed — sold once.
saved in year one if all you wanted from Nexus was chat, overlay and alerts ($49.99/year vs €4.99 once)
If you want channel-point-triggered scene changes, Stream Deck automation, or MIDI-controlled overlays, Aitum Nexus is built for that and MultiStream OBS Plugin doesn't try to compete with it. This page isn't about which tool is better overall — it's about not paying a monthly automation-suite price just to get chat, chat overlay and alerts on stream.
!start / !stop)€4.99 once. No monthly fees. Combined chat, chat overlay and activity feed inside OBS.
Get MultiStream OBS Plugin — €4.99One-time payment · Instant download · No subscription