What you see is what gets recorded
The preview, the file, every stream destination and the guest view all show the same finished scene. There is no second output configuration to keep in sync, and no surprises on playback.
Layouts, backgrounds, multiple cameras, remote guests, overlays, a teleprompter, intros, music and shortcuts, going straight to a file on your disk or live to four platforms at once.
macOS, Windows and Linux. No account, no cloud, no subscription.
Supports
The preview, the file, every stream destination and the guest view all show the same finished scene. There is no second output configuration to keep in sync, and no surprises on playback.
Compositing, background replacement, audio mixing and encoding all happen locally. Guest video travels directly between their machine and yours. No cloud, no account, no upload queue.
Up to four remote guests, with a green room, per guest mute and disconnect, echo-free audio between guests, and screen sharing that rearranges the cameras rather than hiding them.
Scan a QR code and a phone on the same wifi joins the scene, which for most people is the best camera they own. No app to install and nothing leaves the network.
Teleprompter, intro and outro clips, backstage chat with your guests, and a music library, all inside the studio rather than a second app on another monitor.
Save scenes and switch mid-take, mark moments with a key press, and optionally record the camera as its own clean file so a wrong call during the take is recoverable afterwards.
Layout
Drag the camera and the screen to reposition them, directly on the preview.
Match shared screen sizes the output to the exact dimensions of the screen you are sharing, so text stays pin sharp. Square and portrait are there for social.
Sixteen gradients and solids, sixteen built-in images, eight gradient directions, or drag in your own picture.
The Watercourse mark, or drop in your own, drawn into every frame.
Lower-third announcements that run under the scene, in a colour you choose.
Drawn under each camera. Twelve badge colours or your own hex, rounded or square corners, and a choice of font.
Background
Because browsers only allow camera access on secure pages, the phone shows a certificate warning the first time. That is expected, and it only happens once per phone.
Use your phone as a camera
https://192.168.1.176:8789/camera
Scan this with your phone, on the same wifi.
Scenes
Streaming
Intro
Interview
Outro
A strip of thumbnails sits under the preview, so mid-show you are choosing between pictures rather than reading a list.
Scenes deliberately leave the camera's own settings alone. Switching will not change your skin tone, and it will not turn off the backdrop hiding your room.
Bare keys, no modifiers to hunt for
Single keys, so they can be pressed without looking down mid-sentence.
In scene
Marcus
In scene · 1080p
Green room
Priya
Waiting · camera on
Daniel
Waiting · muted
Nothing from the green room reaches the recording or the stream.
A floating script panel you drag anywhere over the app and resize. Auto-scroll with adjustable speed, manual scrolling when you want to take over, and adjustable text size.
Welcome back to the show. Today we are walking through the whole recording pipeline, start to finish, and I will show you exactly where each frame goes…
…then we will bring Priya in to talk about the guest flow.
Full-screen images or videos that cover the whole scene. Keep a library with previews; videos play from the start and hold on their final frame until you hide them.
A clip's own soundtrack is mixed into the recording and the stream, and can be muted.
Microphones mute automatically while it plays, so nobody talks over it.
A private text channel between you and your guests, for cueing people without it reaching the audience. It works in the green room, before anyone is on scene.
Emoji shortcodes and emoticons convert as you type, with a quick picker. Links are clickable. Nothing is stored: the log exists for the session only.
A library of bundled royalty-free tracks plus your own audio files, mixed into recordings and streams while playing, with a volume control and optional fade in and out.
Ethereal Vistas
Included · 3:12
Slow Current
Included · 2:48
my-theme.mp3
Yours · 1:05
Microphones mute automatically while a track plays.
Encoder keeping up
Encoder keeping up
Reconnecting, attempt 2
Disabled
Twitch chat, on screen
kestrel_dev the corner cam crop is so clean
mira.builds what layout is this?
ottoline audio is perfect today 👌
Drag the handles to trim. Four moments marked during the take.
All of it runs on your machine. There is no cloud recording, no cloud storage and no account, and nothing is uploaded in order to produce the file.
One desktop app, the same studio on all three.
Requires macOS 13 or later, or Windows.
Requested on first use, by your operating system.
The app serves the page itself, so the phone shows a certificate warning once and never again.
Watercourse is in development. Join the waitlist for early access and updates as it gets closer to release.
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