> DOUBLEBIT

Self-hosted. End-to-end encrypted. Yours.

SERVER
doublebit.tail879299.ts.net
BUILD v0.1.18
ANDROID APK

Android 8+ · v0.1.18 · 14.0 MB · built 2026-11-07

WINDOWS INSTALLER

Windows 10/11, 64-bit · v0.1.16 · 121.5 MB · built 2026-11-07

LINUX APPIMAGE

any 64-bit Linux · v0.1.16 · 130.0 MB · built 2026-11-07

LINUX .DEB

Debian / Ubuntu / Mint · v0.1.16 · 102.3 MB · built 2026-11-07

  1. Phone first: install the Android APK (allow installs from your browser once), enter this server and your invite code.
  2. Computer: install the Windows or Linux app, then on your phone go to KEYS → LINK NEW DEVICE and scan the code it shows.
  3. Keys are made on your devices. This server only ever sees encrypted data.