Looty is a free, self-hosted workspace: kanban boards, collaborative documents, a calendar, your mailbox and projects, with apps for Android, Linux and Windows that work offline.
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Tasks, documents and calendar for your team, in one calm place. Free, open source and self-hosted, with apps for Android, Linux and Windows that work offline.
Taken from the repository README
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Read the full README ↗English and French, light and dark themes.
Download them from https://looty.untypequicode.fr (or the GitHub releases). Each app asks for the address of your Looty server.
| Platform | Notes |
|---|---|
| Android 8+ | Native Kotlin app, no Google services (UnifiedPush), widget, share target, offline editing, updates inside the app |
| Linux | .deb for Debian 12 / Ubuntu 22.04+ with a signed apt repository (apt upgrade updates it); Nix package (nix run github:untypequicode/looty#looty-desktop) |
| Windows 10/11 | Installer for the current user (unsigned: Windows may warn about an unknown publisher) |
| iPhone / iPad | Open Looty in Safari and add it to the home screen (installable web app) |
The desktop app and the dev shells are prebuilt for x86_64 and aarch64 Linux in the looty Cachix cache, so Nix downloads instead of compiling. The flake declares the cache; Nix only honours that if your user is trusted, so on NixOS add it to your configuration once:
nix.settings = {
extra-substituters = [ "https://looty.cachix.org" ];
extra-trusted-public-keys = [ "looty.cachix.org-1:xEEH96rXQvBMpS4Flzu1yAfe1Wt4Pz2nKssc1ga5eYc=" ];
};
Elsewhere, put the same two lines in /etc/nix/nix.conf. Without this, Nix warns ignoring the client-specified setting 'trusted-public-keys' and builds locally. Then nix run github:untypequicode/looty#looty-desktop.
Looty is three small services plus PostgreSQL, shipped as Docker images (amd64 and arm64):
| Service | Role | Stack |
|---|---|---|
backend | API, files, CalDAV, mail | Rust (axum) |
frontend | Web interface | Nuxt 3 |
collaboration | Real-time document editing | Hocuspocus (Yjs) |
Get the compose file of the latest release and create a .env next to it:
curl -LO https://github.com/untypequicode/looty/releases/latest/download/docker-compose.yml
curl -o .env https://raw.githubusercontent.com/untypequicode/looty/main/.env.example
Edit .env: the domain (APP_DOMAIN, BASE_URL), database password, LOOTY_SECRET_KEY (openssl rand -base64 32) and your OpenID Connect provider (OIDC_ISSUER, OIDC_CLIENT_ID, OIDC_CLIENT_SECRET).
docker compose up -d.
The production compose file expects a Traefik reverse proxy to route the domain (labels are in the file); behind another proxy, send /api, /uploads, /pages, /dav and /.well-known/caldav to the backend (8080), /collab to the collaboration service (8082, prefix stripped) and everything else to the frontend (3000). Pin a version with LOOTY_VERSION=<x.y.z>.
Backups: scripts/backup.sh and scripts/restore.sh.
backend/ Rust API (axum, PostgreSQL); release notes in releases.json
frontend/ Nuxt 3 single-page app
collaboration/ Hocuspocus server for real-time documents
desktop/ Tauri v2 app (Linux, Windows) and Debian packaging
android/ Native Android app (Kotlin, Compose)
site/ Download website (Astro + a tiny Rust server)
scripts/ Release, backup and site publishing scripts
A Nix shell provides every toolchain: nix-shell (or nix develop).
docker compose up -d postgres # database
cd backend && cargo run # API on :8080
cd frontend && npm install && npm run dev # web app on :3000
cd collaboration && npm install && node index.js
docker compose up (without Traefik) builds and runs everything from source; add docker-compose.override.yml.example as docker-compose.override.yml to reach it on port 3000 (the frontend also relays the /api/ws and /collab WebSockets, so real-time editing works without a proxy). Checks run by CI: cargo test in backend/, node scripts/check-i18n.mjs (French and English texts match) and npm run build in frontend/. Each app has its own README: desktop/, android/, site/.
Bump the version, add the notes (English and French) to backend/releases.json and merge into main: CI builds and publishes what changed. Details in RELEASING.md.