🔒 End-to-end encrypted
WebRTC with DTLS-SRTP. The server only brokers the initial handshake — pixels and input flow directly between the devices.
Download the Auffi sharer
Open-source desktop app, AGPL-3.0. End-to-end encrypted,
GDPR-compliant, no account required. Current version
0.5.0 — downloads run directly through
auffi.app.
Source on GitHub
· Release notes.
Packages
Windows
Linux
Source build (any platform)
Tip: macOS binaries are coming with a later release. Until then the sharer runs there via a source build (Tauri + Rust + Node).
What's new
0.5.0 (2026-05-29)
-
Security & UX review — TURN relay
hardened against SSRF, clear German error messages
when connecting, no more endless spinner (connect timeout +
Cancel button), and the download buttons now run
on the home page through
auffi.appinstead of going straight to GitHub. - No behaviour change in the sharer itself — the app contains only type fixes and cleanup; Linux and Windows built from the same revision.
0.4.5 (2026-05-21)
- Update notifier in the sharer — on startup the sharer checks the GitHub releases API once; if a newer version is available, a blue banner appears with a “Download now” link to this page.
- Downloads run directly through auffi.app — the backend streams the release assets through instead of redirecting to GitHub. Per-version download stats are kept and are now counted server-side (no more client-side JS needed).
- Windows + Linux at the same time — all 6 builds (3× Linux + setup .exe + MSI + portable .exe) available from day one.
0.4.4 (2026-05-20)
- Windows: cursor flicker fixed — the system cursor visibly flickered as soon as a viewer was connected. The cause was a WGC capture session reopened every frame (~30/s), which kept toggling DWM's cursor compositing. Now there's one persistent capture session per stream lifetime.
- Clean capture stop on Windows and Linux/ X11: after Disconnect, the capture thread kept running until the sharer was fully quit. The stop signal is now reliably detected within ≤500 ms.
0.4.3 (2026-05-20)
- Distinctive “Connect” notch at the top center of the site — a quick jump to the code input, also from the subpages (Impressum, Datenschutz, Download) (#104).
0.4.2 (2026-05-17)
- Security update: three high-severity CVEs in the TLS stack (aws-lc-sys via Tauri/rustls) patched — preventing cert-chain bypass + signature bypass + a CRL logic bug. Recommended for all paired unattended devices. Plus 4 CVEs in rustls-webpki (name constraints, CRL panic).
0.4.1 (2026-05-17)
- Fix for sharer-control lockup: after disconnecting the browser connection, a mouse button that was still being held could stay “pressed” on the sharer side, making the sharer's own clicking unusable until the sharer process was fully quit. Fixed with automatic release-on-drop in the input pipeline (#97).
0.4.0 (2026-05-14)
- Unattended access — pair devices once, then connect without a code from the dashboard. Auto-accept or a device password configurable per device.
- Wayland-native capture — Plasma 6 and GNOME 47+ work natively via GStreamer/PipeWire, no more XWayland fallback.
- Feedback dialog in the app — submit bugs and requests directly from the sharer (in unattended mode) or the dashboard.
- Account + dashboard — device list, connection log, auto-accept toggle, device pairing via auffi.app/dashboard/.
-
Hardening — argon2id for passwords,
__Host-session cookies, per-account lockout, HMAC-ephemeral TURN credentials. Full audit: security-review-2026-05.md.
What is Auffi?
Auffi is an open-source screen-sharing tool with remote control — TeamViewer functionality without a mandatory account, without trackers, without a US cloud. The sharer (this desktop app) shares a screen or a window; the viewer (in the browser) connects peer-to-peer.
🇩🇪 Servers in Germany
Hosted in Frankfurt. GDPR-compliant, no third-party trackers, no Google Fonts, no CDN pings.
🆓 AGPL-3.0
Source code on GitHub, forks allowed — hosted forks must publish their changes under the same license.
📦 Self-hosting
Docker Compose stack in the repo. Self-hosting fully documented in ops/.
Source code & contributing
Auffi is 100 % open source under AGPL-3.0. Bug reports, feature requests and pull requests are welcome: