Open Source Cloud File Sync & Share Tools
A curated collection of the best open source services for synchronizing files across devices using cloud storage..
Share files securely across all devices without servers
Stars
Stars growing over the last 30 days95,451Last commit
4 days agoLicense
Apache-2.0
Free, open-source file sharing tool for nearby devices. Cross-platform support with end-to-end encryption, no registration required, automatic device discovery.
Open Source Alternative to:
A full desktop environment that runs in your browser
Stars
43,875Last commit
8 hours agoLicense
AGPL-3.0
Puter is a cloud-based desktop OS you run in the browser, with built-in apps, file storage, and support for hosting web apps and sites.
Open Source Alternative to:
Your personal distributed filesystem
Stars
39,292Last commit
12 days agoLicense
Apache-2.0
A cross-platform file manager that unifies your devices into a seamless, organized digital workspace.
Open Source Alternative to:
Secure cloud collaboration platform for organizations
Stars
37,278Last commit
4 hours agoLicense
AGPL-3.0
Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.
Open Source Alternative to:
Self-hosted file sync with AI-powered organization
Stars
15,378Last commit
9 days agoLicense
Unknown
Open source file sync and sharing platform with custom properties, AI automation, collaborative editing, and enterprise-grade security for teams.
Open Source Alternative to:
Instant file sharing across devices without setup
Stars
11,670Last commit
6 months agoLicense
GPL-3.0
Share files instantly between devices using peer-to-peer technology. No registration, installation, or configuration required. Works cross-platform.
Open Source Alternative to:
Self-hosted file sharing built for digital sovereignty
Stars
6,218Last commit
7 hours agoLicense
Apache-2.0
Self-hostable cloud file management and collaboration platform with an integrated office suite, zero-trust security, and GDPR compliance for teams and organizations.
Open Source Alternative to:
Open-source file storage with complete data sovereignty
Stars
Stars growing over the last 30 days1,943Last commit
5 hours agoLicense
AGPL-3.0
Secure, open-source platform for file storage, sharing, and collaboration. Host your data on your own infrastructure with full control and transparency.
Open Source Alternative to:
Secure, private, and decentralized file storage
Stars
2,542Last commit
8 hours agoLicense
AGPL-3.0
A peer-to-peer encrypted filesystem for secure file storage, sharing, and collaboration with end-to-end encryption and user-controlled data.
Open Source Alternative to:
Enterprise file sync, share, and collaboration platform
Stars
2,165Last commit
21 hours agoLicense
Apache-2.0
Self-hostable file platform for enterprises needing data sovereignty, real-time document collaboration, and compliance with GDPR, HIPAA, and other regulations.
Open Source Alternative to:
Secure self-hosted cloud storage with end-to-end encryption
Stars
Stars growing over the last 30 days1,540Last commit
3 days agoLicense
Unknown
Lightweight, self-hosted cloud storage built with Rust and Vue.js. Features end-to-end encryption, file sharing, search capabilities, and Docker deployment.
Open Source Alternative to:
Your secure French personal cloud for complete data control
Stars
1,268Last commit
7 hours agoLicense
AGPL-3.0
Open-source personal cloud that automatically gathers all your data from third-party services. French-hosted with privacy-first design, no ads, and seamless device sync.
Open Source Alternative to:
Secure open source file storage with end-to-end encryption
Stars
989Last commit
11 hours agoLicense
AGPL-3.0
Open source encrypted data storage solution offering secure file sharing, collaboration tools, and on-premises deployment for professional teams.
Open Source Alternative to:
Bring your own cloud storage, managed in one place
Stars
370Last commit
1 year agoLicense
AGPL-3.0
Firefiles turns S3 buckets and other cloud backends into a unified file manager with browser-based previews, multi-drive support, and a clean light/dark interface.
Open Source Alternative to:
InfluxDB – The purpose-built time series platform for high-velocity ingestion and real-time queries at scale.
Windshift
Postiz