Self-hosted projects tagged “Sync”

Vaultwarden is a lightweight, Bitwarden-compatible password manager server in Rust, designed for self-hosting with official Bitwarden clients.

AGPL-3.0Actively maintained

Alternative to:

Bitwarden+9

rclone is a CLI tool to sync, copy, mount, and serve files across cloud storage providers and standard protocols like S3, WebDAV, FTP, and SFTP.

MITActively maintained

Alternative to:

GoodSync+8

Joplin is an offline-first, privacy-focused note and to-do app with end-to-end encryption, Markdown support, web clipping, and sync across desktop and mobile.

Actively maintained

Alternative to:

Evernote+19

Open-source hierarchical notes and personal knowledge base with rich editing, full-text search, encryption, scripting, and optional self-hosted sync and web access.

AGPL-3.0Actively maintained

Alternative to:

Evernote+18

Open-source, end-to-end encrypted platform for private photo backup, sharing, and authenticator (2FA) sync across devices, with optional self-hosting.

AGPL-3.0Actively maintained

Alternative to:

Google Photos+14

Actual Budget is a local-first personal finance app with envelope budgeting, reporting, multi-device sync, and optional end-to-end encryption.

MITActively maintained

Alternative to:

YNAB (You Need A Budget)+17

Local-first personal finance app for envelope budgeting, transaction tracking, reporting, and optional end-to-end encrypted multi-device sync.

MITActively maintained

Alternative to:

YNAB (You Need A Budget)+16

Calibre is a cross-platform e-book manager to organize libraries, edit and convert formats, fetch metadata, and sync content to e-readers.

GPL-3.0Actively maintained

Alternative to:

Adobe Digital Editions+3

Bitwarden is an open-source password manager that stores, shares, and autofills credentials with zero-knowledge encryption; supports cloud or self-hosted deployments.

Actively maintained

Alternative to:

1Password+9

Koel is a web-based personal music streaming server with a modern player UI, multi-user support, playlists, library management, and optional mobile apps.

MITActively maintained

Alternative to:

Plex+12

Self-hosted audiobook and podcast server with multi-user playback sync, metadata management, downloads, and web/mobile clients.

GPL-3.0Actively maintained

Alternative to:

Audible+6

Community-developed Obsidian plugin to sync vaults via CouchDB or S3-compatible storage, with optional experimental WebRTC peer-to-peer syncing and end-to-end encryption.

MITActively maintained

Alternative to:

Obsidian

Self-hosted media server to organize and read comics and manga, with a web reader, REST API, OPDS catalogs, and eReader sync (Kobo, KOReader).

MITActively maintained

Alternative to:

Amazon Kindle+7

Standard Notes is an end-to-end encrypted notes app with secure file storage, offline access, and cross-platform sync, with optional self-hosting of the sync server.

AGPL-3.0Actively maintained

Alternative to:

Evernote+19

Unison is a cross-platform, bidirectional file synchronization tool that keeps two directory replicas in sync over SSH or TCP, with conflict detection and offline support.

GPL-3.0Actively maintained

Alternative to:

GoodSync+13

Lightweight CalDAV/CardDAV server for syncing calendars, to-dos, and contacts with many clients, storing data on the filesystem and supporting auth and TLS.

GPL-3.0Actively maintained

Alternative to:

Google Calendar+8

Kinto is a lightweight JSON document store with an HTTP API, built-in permissions, sharing, and client synchronization, designed for offline-first and distributed apps.

Actively maintained

Alternative to:

Firebase+3

Open source appointment scheduler for customer bookings, provider management, and Google Calendar sync, deployable on your own PHP/MySQL server.

GPL-3.0Actively maintained

Alternative to:

Calendly+18

Baïkal is a lightweight CalDAV/CardDAV server with a web admin UI for managing users, calendars, and address books, backed by MySQL or SQLite.

GPL-3.0Actively maintained

Alternative to:

Google Calendar+4

SoulSync automates music discovery, playlist curation, downloads, and library organization, syncing results to media servers like Plex, Jellyfin, and Navidrome.

MITActively maintained

Alternative to:

Spotify+8

Sync AdGuard Home settings, filters, rewrites, DHCP/DNS config, and clients from an origin instance to one or more replicas on a schedule or on demand.

Open source web-based time tracker with an interactive timeline, tag-based workflow, targets, and CSV/PDF reporting for individuals and freelancers.

GPL-3.0Actively maintained

Alternative to:

Toggl Track+19

EteSync (Etebase Server) provides a self-hostable, zero-knowledge, end-to-end encrypted sync backend for calendars, contacts, tasks and notes across devices.

AGPL-3.0Likely dormant

Alternative to:

Google Calendar+7

Open-source music server that streams local libraries, internet radio, and streaming services to Squeezebox hardware and software players like Squeezelite.

Actively maintained

Alternative to:

Roon+12

sabre/dav is a PHP framework for building WebDAV file servers and CalDAV/CardDAV calendar and contacts services.

BSD-3-ClauseActively maintained

Alternative to:

Google Calendar+11

WatchState is a self-hosted service that synchronizes watch progress and play state between Plex, Jellyfin, and Emby, with backups, webhooks, and parity checks.

MITActively maintained

Alternative to:

Plex+1

Self-hosted YouTube-to-podcast converter that generates API-key-protected RSS feeds, auto-syncs new uploads, and downloads audio or video for any podcast client.

GPL-3.0Actively maintained

Alternative to:

FreeTube+5

Nextcloud News is an RSS/Atom feed reader for Nextcloud, with web UI and a REST API for syncing with third-party clients.

AGPL-3.0Actively maintained

Alternative to:

Feedly+7

PinePods is a self-hosted podcast management server with multi-user support, gPodder sync, smart playlists, and apps for web, mobile, desktop, and CLI.

GPL-3.0Actively maintained

Alternative to:

Spotify+2

Privacy-first, end-to-end encrypted note-taking app with desktop, mobile and web clients, open-source code, web clipper, bidirectional links, and a self-hostable sync server.

AGPL-3.0Actively maintained

Alternative to:

Evernote+12