Download
Start in a browser.
Email and Slack need nothing. iMessage and WhatsApp need an app.
The web app
Best for this deviceThe panel, in a browser. Nothing to install, and it installs if you want it to.
Any modern browser. Chrome, Edge, Safari, Firefox, Arc.
Open the panelhttps://staging.slyos.worldBrowser extension
Drafts inside LinkedIn, WhatsApp Web, X, Reddit and Instagram — in your own session.
Chrome, Edge or Arc. One build runs on all three.
Does. Writes a draft into the composer on LinkedIn, WhatsApp Web, X, Reddit and Instagram, in your own session.
Never. Sends anything — you press send there. Automated sending would risk your account.
Permissions. Those five sites. Nothing else.
Runs in Chrome, Edge and Arc — one build for all three.
Not in the stores yet. The waitlist creates your real account.
https://staging.slyos.worldMac app
iMessage and SMS, read on your own Mac. Small and silent.
macOS 13 or later. Apple Silicon and Intel.
No build has been produced yet. When one exists this shows its version, date, size and SHA-256, and updates arrive through Sparkle.
Join the waitlistNot in the stores yet. The waitlist creates your real account.
https://staging.slyos.worldiPhone app
The same panel, in your pocket.
iOS 17 or later.
Join the waitlistNot in the stores yet. The waitlist creates your real account.
https://staging.slyos.worldAndroid app
Every channel, natively — including personal WhatsApp, Telegram and Signal.
Android 10 or later. Any device, not just Samsung.
The beta APK appears here once the first GitHub release exists, with its version, date, changelog and SHA-256.
Join the waitlistNot in the stores yet. The waitlist creates your real account.
https://staging.slyos.worldPairing a Mac
Open SlyOS on your Mac and type this code.
——————
A code appears here once the Mac app exists. It lasts a few minutes, works once, and is the entire setup — no terminal, no keys, nothing to copy from a settings page.
What runs where
An iPhone cannot read iMessage or WhatsApp. No entitlement exists. So each device contributes what its platform allows.
| Channel | Web | iPhone | Mac | Android | Browser |
|---|---|---|---|---|---|
| Gmail | ● | ● | ● | ● | ● |
| Outlook | ● | ● | ● | ● | ● |
| Slack | ● | ● | ● | ● | ● |
| Teams | ● | ● | ● | ● | ● |
| WhatsApp Business | ● | ● | ● | ● | ● |
| Calendar | ● | ● | ● | ● | ● |
| iMessage needs a companion app | — | — | ● | — | — |
| SMS needs a companion app | — | — | ● | ● | — |
| WhatsApp needs a companion app | — | — | assist | ● | assist |
| LinkedIn needs a companion app | — | — | assist | assist | assist |
| Telegram needs a companion app | — | — | — | ● | — |
| Signal needs a companion app | — | — | — | ● | — |
| Instagram needs a companion app | — | — | — | ● | assist |
| X needs a companion app | — | — | — | — | assist |
| Reddit needs a companion app | — | — | — | — | assist |
One real limitation
On Windows and Linux, notifications only arrive while your browser is running. On a phone, or a Mac with the app, they arrive anyway.