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Open-source licenses

Lifecolo web app

Copyright © 2026 Lifecolo.

The Lifecolo web client (the HTML, CSS and JavaScript that this site sends to your browser) is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License, version 3 (GPL-3.0-only), as published by the Free Software Foundation.

It is distributed in the hope that it will be useful, but without any warranty; without even the implied warranty of merchantability or fitness for a particular purpose. See the GNU General Public License for more details.

The Lifecolo name and logo, and content posted by users are not software and are not covered by this license.

Source code

The app's own scripts and styles are served un-minified, in their source form, at the addresses the app loads them from (for example /js/chat.js and /css/style.css). The complete source for the built parts — the encryption and QR-code libraries and the generated stylesheet — including the original upstream source and exact build instructions, is available here:

Download source (.tar.gz)

Android app

The Lifecolo Android app is free software too (GPL-3.0-only, because it is built with the GPL-3.0-only Signal protocol library). Its complete source, with build instructions and the list of its libraries, is here:

Download Android source (.tar.gz)

The publisher's signing key and push-notification settings are not source and are not included.

Third-party software

ComponentUsed forLicense
libsignal-protocol-typescript 0.0.16End-to-end encryptionGPL-3.0-only
curve25519-typescript 0.0.12End-to-end encryptionGPL-3.0-only
libsignal-protocol-protobuf-ts 0.0.9End-to-end encryptionGPL-3.0-only
protobuf.js 7.6.6Message encodingBSD-3-Clause
long.js 5.3.2Message encodingApache-2.0
base64-js 1.5.1Message encodingMIT
jsQR 1.4.0Scanning device-link QR codesApache-2.0
qrcode-generator 2.0.4Showing device-link QR codesMIT
hash-wasm 4.12.0Turning your passphrase into keys (WebAssembly)MIT
@noble/hashes 2.4.0The same, for browsers without WebAssemblyMIT
Tailwind CSS 3.4.19Generated stylesheetMIT

Full copyright notices and license texts