[opensourcedex]

best-of ranking · updated nightly

Best Open Source File Management & Sync Tools

Ranked by GitHub stars — actual adoption, not editorial taste. All 10 are free, open source and self-hostable; license and last activity on every entry.

  1. 1
    LocalSend ★ 92K

    Share files securely across all devices without servers

    Apache-2.0 Dart pushed 2026-09-14 details →
  2. 2
    Spacedrive ★ 39K

    Your personal distributed filesystem

    NOASSERTION Rust pushed 2026-07-29 details →
  3. 3
    Nextcloud ★ 37K

    Secure cloud collaboration platform for organizations

    AGPL-3.0 PHP pushed 2026-09-17 details →
  4. 4
    Seafile ★ 15K

    Self-hosted file sync with AI-powered organization

    NOASSERTION C pushed 2026-08-28 details →
  5. 5
    PairDrop ★ 11K

    Instant file sharing across devices without setup

    GPL-3.0 JavaScript pushed 2026-04-22 details →
  6. 6
    OpenCloud ★ 6.0K

    Self-hosted file sharing built for digital sovereignty

    Apache-2.0 Go pushed 2026-09-17 details →
  7. 7
    ownCloud ★ 2.1K

    Enterprise file sync, share, and collaboration platform

    Apache-2.0 Go pushed 2026-09-17 details →
  8. 8
    Sync-in ★ 1.8K

    Open-source file storage with complete data sovereignty

    AGPL-3.0 TypeScript pushed 2026-09-16 details →
  9. 9
    Hoodik ★ 1.5K

    Secure self-hosted cloud storage with end-to-end encryption

    NOASSERTION Rust pushed 2026-08-29 details →
  10. 10
    Cozy ★ 1.3K

    Your secure French personal cloud for complete data control

    AGPL-3.0 Go pushed 2026-09-17 details →
method stars desc · snapshot from github api refresh nightly related Input & Dictation, Office Suites, Email & Communication, Password & Secret Management, Design & Visualization, Time & Task Management

Related best-of lists

best Input & Dictation →best Office Suites →best Email & Communication →best Password & Secret Management →best Design & Visualization →best Time & Task Management →

last updated nightly · ranking method: github stars, live-tracked

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Frequently asked questions

What is the best open source File Management & Sync tool in 2026?

LocalSend leads the ranking with 91,903 GitHub stars, ahead of Spacedrive. Rankings use live GitHub star counts, refreshed nightly.

How is this list of File Management & Sync tools ranked?

By GitHub stars — a proxy for adoption and community size. Each entry also shows its licence, primary language and last commit date, so you can judge maintenance activity rather than trusting the ranking alone.

Are the best File Management & Sync tools free?

Every project on this list is open source and free to self-host. Some also offer paid managed hosting, but the software itself carries no licence fee.