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Best Open-Source Dropbox Alternatives (2026)

31 self-hostable, open-source projects that replace Dropbox — without storage caps and rising prices. Each is scored for how hard it is to self-host, with one-click deploy options where they exist.

Dropbox's storage tiers fill up fast and prices have crept upward, while everything you store sits on their servers under their terms. People switch to control where their files live, eliminate recurring per-GB costs, and stop hitting storage caps.

Our picks at a glance

Easiest to self-host
Syncthing

Difficulty 2/5 and fully peer-to-peer, so there's no server to provision at all.

Most powerful
Nextcloud

Full content-collaboration platform covering files, calendars, contacts, and sharing, the closest to a complete Dropbox-plus replacement.

Most active
Syncthing

~85k stars, the highest-starred option in the entire list.

Best managed option
Nextcloud

Offers official managed hosting and is the most Dropbox-like full platform; MinIO, Seafile, and ownCloud also have managed options but are narrower or more ops-heavy.

Compare all 31 alternatives

ProjectDeployManagedLicense
Syncthing
Go
85k ★
2/5
Easy
Docker
Manual
MPL-2.04 days agoRepo
MinIO
Go
61k ★
2/5
Easy
Docker
Docker Compose
+2
AGPL-3.01 month agoRepo
Rclone
Go
58k ★
2/5
Easy
Docker
Manual
MIT3 days agoRepo
AList
Go
50k ★
2/5
Easy
Docker
Manual
AGPL-3.015 days agoRepo
copyparty
Python
45k ★
2/5
Easy
Docker
Manual
MIT4 days agoRepo
Puter
Nodejs
42k ★
3/5
Moderate
Docker
Docker Compose
+1
AGPL-3.02 days agoRepo
Spacedrive
Rust
38k ★
4/5
Involved
Manual
Apache-2.02 months agoRepo
Nextcloud
PHP
36k ★
3/5
Moderate
One-Click
Docker
+2
AGPL-3.02 days agoRepo
File Browser
Go
35k ★
2/5
Easy
Docker
Manual
Apache-2.02 days agoRepo
SeaweedFS
Go
33k ★
4/5
Involved
Docker
Docker Compose
+2
Apache-2.02 days agoRepo
Harbor
Docker
29k ★
4/5
Involved
Docker
Docker Compose
+2
Apache-2.02 days agoRepo
Cloudreve
Docker
28k ★
2/5
Easy
Docker
Manual
GPL-3.07 days agoRepo
transfer.sh
Go
16k ★
2/5
Easy
Docker
Manual
MIT7 days agoRepo
Seafile
C
15k ★
4/5
Involved
Docker
Docker Compose
+1
GPL-3.02 days agoRepo
Filestash
Docker
14k ★
2/5
Easy
Docker
Manual
AGPL-3.05 days agoRepo
sftpgo Community Edition
Go
12k ★
3/5
Moderate
Docker
Docker Compose
+1
AGPL-3.05 days agoRepo
ZFile
Java
11k ★
2/5
Easy
Docker
Manual
MIT1 month agoRepo
ownCloud
PHP
8.8k ★
4/5
Involved
Docker
Docker Compose
+1
AGPL-3.02 days agoRepo
miniserve
Rust
7.7k ★
2/5
Easy
Docker
Manual
MIT19 days agoRepo
OnionShare
Python
7k ★
2/5
Easy
Manual
GPL-3.05 days agoRepo
Backrest
Go
6.7k ★
2/5
Easy
Docker
Docker Compose
+1
GPL-3.010 days agoRepo
Tiny File Manager
PHP
5.9k ★
2/5
Easy
Manual
GPL-3.01 month agoRepo
OpenCloud
Docker
5.6k ★
3/5
Moderate
Docker
Docker Compose
+1
Apache-2.02 days agoRepo
Unison
deb
5.4k ★
4/5
Involved
Manual
GPL-3.012 days agoRepo
TagSpaces
Nodejs
5.2k ★
3/5
Moderate
Docker
Manual
AGPL-3.02 days agoRepo
Kinto
Python
4.4k ★
3/5
Moderate
Docker
Manual
Apache-2.02 days agoRepo
Zipline
Docker
3.2k ★
3/5
Moderate
Docker
Docker Compose
MIT6 days agoRepo
FileGator
PHP
3k ★
2/5
Easy
Docker
Manual
MIT29 days agoRepo
PicoShare
Go
3k ★
2/5
Easy
Docker
Docker Compose
+1
AGPL-3.025 days agoRepo
Yopass
Go
2.8k ★
3/5
Moderate
Docker
Docker Compose
+1
Apache-2.02 days agoRepo
Pydio Cells
Go
2.2k ★
4/5
Involved
Docker
Docker Compose
+1
AGPL-3.04 days agoRepo

What to look for: First decide what you actually need: pure device-to-device sync, a full file-sharing platform with web UI and sharing links, S3-compatible object storage, or a backup tool. Sync tools like Syncthing need no server, object stores like MinIO need real storage planning, and collaboration suites like Nextcloud trade simplicity for features.

Head-to-head:Syncthing vs DropboxMinIO vs DropboxRclone vs DropboxAList vs Dropboxcopyparty vs Dropbox

The alternatives, reviewed

  1. #1
    Syncthing
    Self-host: Easy

    Continuous peer-to-peer file synchronization between your own devices

    85k Go MPL-2.0 4 days ago
    How it compares to Dropbox
    • Pure peer-to-peer sync: no cloud copy, so files only exist where a device is online (no always-available server unless you run one)
    • No web file browser, sharing links, or per-file access control like Dropbox
    • No built-in versioning UI beyond simple file versioning options
    • Not designed for multi-user team sharing; it's device-to-device for one owner
    RepoDetails & deploy →
  2. #2
    MinIO
    Self-host: Easy

    High-performance S3-compatible object storage (now archived/commercialized)

    61k Go AGPL-3.0 1 month ago
    How it compares to Dropbox
    • Community open-source repo was archived in April 2026; development moved to the commercial AIStor product
    • Object storage only — no end-user file sync clients, sharing UI, or document collaboration
    • Recent releases stripped the admin web console features, pushing users toward paid offerings
    • Requires building app layers on top to behave like Dropbox/Drive
    RepoDetails & deploy →
  3. #3
    Rclone
    Self-host: Easy

    Command-line program to sync files across 70+ cloud storage providers

    58k Go MIT 3 days ago
    How it compares to Dropbox
    • Primarily a CLI tool; no polished consumer GUI or always-on sync daemon out of the box (the web GUI is experimental)
    • No multi-user accounts, sharing links, or collaboration features
    • Real-time continuous sync requires scripting or third-party scheduling
    • Steep learning curve for non-technical users compared to a Dropbox app
    RepoDetails & deploy →
  4. #4
    AList
    Self-host: Easy

    File list program supporting multiple storages, with WebDAV and web UI

    50k Go AGPL-3.0 15 days ago
    How it compares to Dropbox
    • Primarily a read/list and aggregation layer; not a true two-way sync engine like Dropbox
    • No native desktop/mobile sync clients (relies on WebDAV)
    • Limited collaboration, versioning, and team permission features
    • Documentation is partly Chinese-first and can lag for some backends
    RepoDetails & deploy →
  5. #5
    copyparty
    Self-host: Easy

    Portable all-in-one file server with resumable uploads, WebDAV, FTP, and media indexing

    45k Python MIT 4 days ago
    How it compares to Dropbox
    • No selective sync desktop client; files must be managed via web UI, CLI, or WebDAV
    • User management and access control are basic compared to Dropbox Teams or Google Drive Shared Drives
    • No online document editing (Docs/Sheets equivalent)
    • Mobile apps are absent; mobile access is browser or WebDAV only
    RepoDetails & deploy →
  6. #6
    Puter
    Self-host: Moderate

    Web-based cloud OS with file storage, apps, and remote desktop in the browser

    42k Nodejs AGPL-3.0 2 days ago
    How it compares to Dropbox
    • Self-hosted setup is more complex than advertised; production hardening requires significant effort
    • No native desktop sync client; all access is browser-based
    • Third-party app ecosystem is nascent and lacks the breadth of Google Workspace or Office 365
    • Enterprise features (SSO, audit logs, compliance) are not yet available in the self-hosted version
    RepoDetails & deploy →
  7. #7
    Spacedrive
    Self-host: Involved

    Cross-platform file explorer powered by a virtual distributed filesystem

    38k Rust Apache-2.0 2 months ago
    How it compares to Dropbox
    • Still pre-1.0 / beta; features and stability are evolving and some are incomplete
    • Cloud sync and peer-to-peer sync are not yet as mature as Dropbox's reliable sync
    • Primarily a desktop indexer/explorer rather than a server you self-host with web access
    • Licensed under FSL initially (converts to Apache-2.0 after two years), which some consider not fully OSI-open at release
    RepoDetails & deploy →
  8. #8
    Nextcloud
    Self-host: Moderate

    Self-hosted content collaboration platform for files, calendars, contacts and more

    36k PHP AGPL-3.0 2 days ago
    How it compares to Dropbox
    • PHP-based core can be resource-heavy and slower than native Dropbox sync at large scale
    • Desktop sync client historically less reliable than Dropbox for very large file trees or millions of files
    • Real-time collaborative editing requires a separate heavy component (Collabora/OnlyOffice)
    • Requires server maintenance, updates, and tuning that managed SaaS handles for you
    RepoDetails & deploy →
  9. #9
    File Browser
    Self-host: Easy

    Lightweight web file manager for a single directory on your server

    35k Go Apache-2.0 2 days ago
    How it compares to Dropbox
    • No automatic desktop or mobile sync client; it's a web file manager, not a sync engine
    • No file versioning or trash/restore comparable to Dropbox
    • Single-directory scope; not built for large multi-tenant deployments
    • Sharing and collaboration features are basic compared to Google Drive
    RepoDetails & deploy →
  10. #10
    SeaweedFS
    Self-host: Involved

    Fast distributed storage system for blobs, objects, files and a data lake

    33k Go Apache-2.0 2 days ago
    How it compares to Dropbox
    • Storage infrastructure, not an end-user product: no consumer sync app, sharing UI, or collaboration
    • Requires assembling master/volume/filer components and a frontend to behave like Dropbox
    • Steeper operational knowledge needed for distributed deployment and tuning
    • Documentation assumes infrastructure familiarity
    RepoDetails & deploy →
  11. #11
    Harbor
    Self-host: Involved

    Cloud native container image registry with vulnerability scanning and access control

    29k Docker Apache-2.0 2 days ago
    How it compares to Dropbox
    • Scoped to container/OCI artifacts only; not a general-purpose file storage solution
    • High operational overhead; requires PostgreSQL, Redis, and careful networking configuration
    • Upgrade process between major versions can be complex and error-prone
    • Managed cloud registries (ECR, GCR, ACR) offer tighter CI/CD integrations out of the box
    RepoDetails & deploy →
  12. #12
    Cloudreve
    Self-host: Easy

    Multi-storage cloud file management system with sharing, sync, and a web UI

    28k Docker GPL-3.0 7 days ago
    How it compares to Dropbox
    • No native desktop sync client; relies on WebDAV or manual uploads
    • Collaborative document editing (Google Docs equivalent) is absent
    • Mobile apps are community-maintained and not officially supported
    • Advanced team/enterprise features like audit logs and granular permissions are limited
    RepoDetails & deploy →
  13. #13
    transfer.sh
    Self-host: Easy

    Simple command-line file sharing with URL-based access and optional encryption

    16k Go MIT 7 days ago
    How it compares to Dropbox
    • No web UI for browsing or managing stored files; purely CLI/API-driven
    • No user accounts, access control, or per-user storage quotas
    • Files are temporary by design; not suitable for persistent storage or file organization
    • No sync client, versioning, or folder hierarchy support
    RepoDetails & deploy →
  14. #14
    Seafile
    Self-host: Involved

    High-performance file sync and share with client-side encryption

    15k C GPL-3.0 2 days ago
    How it compares to Dropbox
    • Community edition lacks features (file roles, full-text search, advanced audit) reserved for the paid Pro edition
    • Document/office collaboration is weaker than Google Drive without add-on integrations
    • Block-based storage is efficient but makes direct filesystem access to stored data non-trivial
    • Initial setup with database, memcached, and reverse proxy is fairly involved
    RepoDetails & deploy →
  15. #15
    Filestash
    Self-host: Easy

    Web file manager connecting to FTP, SFTP, WebDAV, S3, Git, Dropbox, and Google Drive

    14k Docker AGPL-3.0 5 days ago
    How it compares to Dropbox
    • Advanced features (video transcoding, full-text search) are locked behind a commercial license
    • No real-time collaborative editing; file editing is single-user
    • No desktop sync client; all interaction is through the web interface
    • User and permission management is basic; not suitable as a primary cloud storage replacement for teams
    RepoDetails & deploy →
  16. #16
    sftpgo Community Edition
    Self-host: Moderate

    Fully-featured SFTP server with FTP/S and WebDAV support

    12k Go AGPL-3.0 5 days ago
    How it compares to Dropbox
    • No built-in collaborative document editing; files are raw storage only
    • Web UI is admin-focused, lacks a polished end-user sharing experience compared to Dropbox
    • Mobile sync clients are not provided natively; third-party clients needed
    • Real-time collaboration and commenting features absent
    RepoDetails & deploy →
  17. #17
    ZFile
    Self-host: Easy

    Online file directory program that mounts cloud and local storage as a web drive

    11k Java MIT 1 month ago
    How it compares to Dropbox
    • Focused on browsing and direct-linking files, not bidirectional sync
    • No native desktop/mobile sync clients
    • Limited collaboration and versioning features versus Google Drive
    • Java runtime makes it heavier than Go-based alternatives for small servers
    RepoDetails & deploy →
  18. #18
    ownCloud
    Self-host: Involved

    Self-hosted file sync and share server, the original fork parent of Nextcloud

    8.8k PHP AGPL-3.0 2 days ago
    How it compares to Dropbox
    • Classic PHP core is in maintenance mode; active development has shifted to the separate OCIS (Infinite Scale) project
    • Smaller app ecosystem and community momentum than Nextcloud after the fork
    • No native real-time collaborative editing without third-party integrations
    • Setup and tuning more involved than a managed Dropbox/Drive account
    RepoDetails & deploy →
  19. #19
    miniserve
    Self-host: Easy

    Single-binary CLI tool to serve files and directories over HTTP

    7.7k Rust MIT 19 days ago
    How it compares to Dropbox
    • No user accounts or per-user permissions; authentication is a single shared password
    • No persistent file management, versioning, or trash/restore
    • Not designed for multi-user concurrent collaboration
    • No sync client; purely a temporary HTTP-based share mechanism
    RepoDetails & deploy →
  20. #20
    OnionShare
    Self-host: Easy

    Securely and anonymously share files of any size over Tor

    7k Python GPL-3.0 5 days ago
    How it compares to Dropbox
    • Requires Tor; recipients need Tor Browser, creating friction for non-technical users
    • Shares are typically ephemeral and one-time by default; not suited for persistent storage
    • No folder sync, versioning, or long-term file organisation
    • Transfer speeds are slow due to Tor network routing
    RepoDetails & deploy →
  21. #21
    Backrest
    Self-host: Easy

    Web UI and orchestrator for restic backups across local and cloud storage

    6.7k Go GPL-3.0 10 days ago
    How it compares to Dropbox
    • It's a backup tool, not a live sync/share platform like Dropbox
    • No real-time file syncing across devices or shareable links
    • No multi-user collaboration or document editing
    • Restore is snapshot-based rather than continuous file availability
    RepoDetails & deploy →
  22. #22
    Tiny File Manager
    Self-host: Easy

    Single-file PHP web file manager that's fast and lightweight

    5.9k PHP GPL-3.0 1 month ago
    How it compares to Dropbox
    • No file versioning or change history
    • No desktop or mobile sync clients; purely browser-based access
    • User management is flat config-file based; no LDAP or SSO integration
    • No real-time collaboration or file commenting
    RepoDetails & deploy →
  23. #23
    OpenCloud
    Self-host: Moderate

    Open-source file sharing and collaboration platform built on ownCloud Infinite Scale

    5.6k Docker Apache-2.0 2 days ago
    How it compares to Dropbox
    • Built-in office document co-editing requires a separately deployed Collabora or ONLYOFFICE instance
    • Mobile clients still maturing compared to Dropbox or Google Drive polish
    • Admin complexity is higher than simpler alternatives; microservices require more ops knowledge
    • Third-party integrations (Google Workspace-style apps) are limited
    RepoDetails & deploy →
  24. #24
    Unison
    Self-host: Involved

    Bidirectional file synchronisation tool for Linux, macOS, and Windows

    5.4k deb GPL-3.0 12 days ago
    How it compares to Dropbox
    • No web UI; requires CLI or basic GTK client, not suitable for non-technical users
    • No mobile clients for iOS or Android
    • Conflict resolution is interactive and not automated; requires user intervention
    • No file versioning or history; deleted files cannot be recovered from the tool itself
    RepoDetails & deploy →
  25. #25
    TagSpaces
    Self-host: Moderate

    Offline-first file manager and organiser with tagging and note-taking

    5.2k Nodejs AGPL-3.0 2 days ago
    How it compares to Dropbox
    • No native real-time sync daemon; relies on WebDAV or manual folder pointing
    • Collaborative multi-user editing not supported in the community edition
    • Mobile apps are limited in functionality compared to the desktop version
    • Full-text search across large libraries can be slow without prior indexing
    RepoDetails & deploy →
  26. #26
    Kinto
    Self-host: Moderate

    Minimalist JSON storage service with sync, sharing, and permissions

    4.4k Python Apache-2.0 2 days ago
    How it compares to Dropbox
    • Focused on JSON data sync, not binary file storage or large media uploads
    • No out-of-the-box web UI for end users; requires building a frontend or using kinto-admin
    • Community activity has slowed significantly; long-term maintenance uncertain
    • Less ecosystem tooling compared to more established alternatives like PocketBase
    RepoDetails & deploy →
  27. #27
    Zipline
    Self-host: Moderate

    Fast file sharing server with ShareX support and a React web UI

    3.2k Docker MIT 6 days ago
    How it compares to Dropbox
    • No desktop or mobile sync clients; upload is via browser or ShareX only
    • No folder hierarchy or file organisation beyond a flat uploads list
    • Limited collaboration features; designed as a personal uploader tool
    • No versioning or deleted-file recovery
    RepoDetails & deploy →
  28. #28
    FileGator
    Self-host: Easy

    Multi-user PHP file manager with a modern single-page frontend

    3k PHP MIT 29 days ago
    How it compares to Dropbox
    • No sync clients for desktop or mobile; purely web-based access
    • No file versioning or trash with recovery
    • No real-time collaborative editing or commenting on files
    • LDAP/SSO integration is not built-in; custom auth requires code changes
    RepoDetails & deploy →
  29. #29
    PicoShare
    Self-host: Easy

    Minimalist self-hosted service for sharing images and files

    3k Go AGPL-3.0 25 days ago
    How it compares to Dropbox
    • Single-user only; no multi-user accounts or team sharing features
    • No file browsing, folder structures, or persistent storage management
    • No mobile or desktop sync client; shares are one-directional links
    • SQLite storage may not scale to large file volumes or high concurrency
    RepoDetails & deploy →
  30. #30
    Yopass
    Self-host: Moderate

    Secure one-time sharing of secrets, passwords, and small files

    2.8k Go Apache-2.0 2 days ago
    How it compares to Dropbox
    • Not a general-purpose file storage tool; limited to small secret payloads
    • No persistent file storage; every secret auto-deletes after first access or TTL
    • No user accounts, history, or file browsing capabilities
    • Requires Memcached or Redis as an external dependency
    RepoDetails & deploy →
  31. #31
    Pydio Cells
    Self-host: Involved

    Self-hosted document sharing and collaboration platform for the enterprise

    2.2k Go AGPL-3.0 4 days ago
    How it compares to Dropbox
    • Smaller community and ecosystem than Nextcloud/Seafile
    • Some enterprise capabilities are gated behind the paid Cells Enterprise edition
    • Microservices architecture makes setup and troubleshooting more complex than simpler apps
    • Office/document co-editing relies on external integrations
    RepoDetails & deploy →

The verdict

For pure Dropbox-style sync between your own devices, Syncthing is the easiest and most popular choice with no server required. If you want the full Dropbox experience (web UI, sharing links, mobile apps, plus calendars and contacts), self-host Nextcloud, which also has a managed tier.

Still deciding? Compare Syncthing vs MinIO side by side →

Dropbox alternatives — frequently asked questions

What's the best free Dropbox alternative I can self-host?

Syncthing for device-to-device sync (no server needed), or Nextcloud for a full file-sharing platform with web UI and mobile apps. Both are free and open source.

Which is the easiest to self-host?

Several are rated 2/5: Syncthing, Rclone, AList, MinIO, File Browser, ZFile, and Backrest. Syncthing is the simplest for sync since it's peer-to-peer with no central server.

Can I get a web interface and sharing links like Dropbox?

Yes. Nextcloud, ownCloud, and Seafile all provide web UIs, sharing links, and mobile clients. File Browser, AList, and ZFile offer lighter web file managers without the full collaboration suite.

Do any offer official managed hosting?

Yes. Nextcloud, Seafile, ownCloud, and MinIO all have managed/hosted options. Syncthing, Rclone, AList, Spacedrive, SeaweedFS, File Browser, ZFile, and Backrest are self-host only.

I want S3-compatible object storage, not file sync. What should I use?

MinIO is the well-known S3-compatible object store (note it's now archived/commercialized), and SeaweedFS is a fast distributed storage system for blobs, objects, and files. Both are Go projects rated for serious storage workloads.

What if I just want to back up files or connect existing cloud storage?

Rclone syncs across 70+ cloud providers from the command line, Backrest gives restic backups a web UI, and AList or ZFile can mount existing cloud and local storage as a web drive.

Keep exploring

All File Storage & Sync →Self-hosted directory →Easiest to self-host →
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