Best Cloud File Sync & Share Tools in 2026

LocalSend

Share files securely across all devices without servers

Stars
78,559
Forks
4,200
Last commit
15 days ago

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:

Apple AirDrop

Puter

Your personal cloud for files, apps, and games

Stars
40,504
Forks
3,646
Last commit
9 hours ago

Puter is a privacy-focused personal cloud platform that securely stores your files, apps, and games, accessible from anywhere.

Open Source Alternative to:

Google Drive

Spacedrive

Your personal distributed filesystem

Stars
37,842
Forks
1,265
Last commit
2 days ago

A cross-platform file manager that unifies your devices into a seamless, organized digital workspace.

Open Source Alternative to:

Google Drive

Nextcloud

Secure cloud collaboration platform for organizations

Stars
34,675
Forks
4,833
Last commit
2 hours ago

Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.

Open Source Alternative to:

Microsoft Teams

Seafile

Self-hosted file sync with AI-powered organization

Stars
14,608
Forks
1,638
Last commit
5 days ago

Open source file sync and sharing platform with custom properties, AI automation, collaborative editing, and enterprise-grade security for teams.

Open Source Alternative to:

Google Drive

PairDrop

Instant file sharing across devices without setup

Stars
10,144
Forks
599
Last commit
1 year ago

Share files instantly between devices using peer-to-peer technology. No registration, installation, or configuration required. Works cross-platform.

Open Source Alternative to:

WeTransfer

OpenCloud

Secure cloud file sharing with complete data sovereignty

Stars
5,246
Forks
178
Last commit
10 hours ago

Enterprise-grade file management solution offering intuitive collaboration, seamless integration, and comprehensive security with full GDPR compliance.

Open Source Alternative to:

Google Drive

Palmr

Fast, secure file sharing with complete privacy control

Stars
2,420
Forks
96
Last commit
2 months ago

Self-hosted file sharing platform with encryption, S3 storage, REST API, and lightning-fast uploads. Deploy in minutes with full data control.

Open Source Alternative to:

WeTransfer

Peergos

Secure, private, and decentralized file storage

Stars
2,395
Forks
187
Last commit
10 hours ago

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:

Dropbox

Sync-in

Open-source file storage with complete data sovereignty

Stars
1,033
Forks
47
Last commit
9 hours ago

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:

Google Drive

Cozy

Your secure French personal cloud for complete data control

Stars
1,263
Forks
142
Last commit
15 hours ago

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:

1Password

Hoodik

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

Stars
1,120
Forks
46
Last commit
12 hours ago

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:

Dropbox

Twake Drive

Secure open source file storage with end-to-end encryption

Stars
694
Forks
131
Last commit
18 hours ago

Open source encrypted data storage solution offering secure file sharing, collaboration tools, and on-premises deployment for professional teams.

Open Source Alternative to:

Google Drive

Firefiles

Your unified cloud storage solution

Stars
368
Forks
56
Last commit
6 months ago

Firefiles is an open-source alternative to Dropbox that lets you manage files across multiple cloud storage providers through a single interface.

Open Source Alternative to:

Google Drive

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

LocalSend

Share files securely across all devices without servers

Stars
78,559
Forks
4,200
Last commit
15 days ago

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:

Apple AirDrop

Puter

Your personal cloud for files, apps, and games

Stars
40,504
Forks
3,646
Last commit
9 hours ago

Puter is a privacy-focused personal cloud platform that securely stores your files, apps, and games, accessible from anywhere.

Open Source Alternative to:

Google Drive

Spacedrive

Your personal distributed filesystem

Stars
37,842
Forks
1,265
Last commit
2 days ago

A cross-platform file manager that unifies your devices into a seamless, organized digital workspace.

Open Source Alternative to:

Google Drive

Nextcloud

Secure cloud collaboration platform for organizations

Stars
34,675
Forks
4,833
Last commit
2 hours ago

Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.

Open Source Alternative to:

Microsoft Teams

Seafile

Self-hosted file sync with AI-powered organization

Stars
14,608
Forks
1,638
Last commit
5 days ago

Open source file sync and sharing platform with custom properties, AI automation, collaborative editing, and enterprise-grade security for teams.

Open Source Alternative to:

Google Drive

PairDrop

Instant file sharing across devices without setup

Stars
10,144
Forks
599
Last commit
1 year ago

Share files instantly between devices using peer-to-peer technology. No registration, installation, or configuration required. Works cross-platform.

Open Source Alternative to:

WeTransfer

OpenCloud

Secure cloud file sharing with complete data sovereignty

Stars
5,246
Forks
178
Last commit
10 hours ago

Enterprise-grade file management solution offering intuitive collaboration, seamless integration, and comprehensive security with full GDPR compliance.

Open Source Alternative to:

Google Drive

Palmr

Fast, secure file sharing with complete privacy control

Stars
2,420
Forks
96
Last commit
2 months ago

Self-hosted file sharing platform with encryption, S3 storage, REST API, and lightning-fast uploads. Deploy in minutes with full data control.

Open Source Alternative to:

WeTransfer

Peergos

Secure, private, and decentralized file storage

Stars
2,395
Forks
187
Last commit
10 hours ago

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:

Dropbox

Sync-in

Open-source file storage with complete data sovereignty

Stars
1,033
Forks
47
Last commit
9 hours ago

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:

Google Drive

Cozy

Your secure French personal cloud for complete data control

Stars
1,263
Forks
142
Last commit
15 hours ago

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:

1Password

Hoodik

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

Stars
1,120
Forks
46
Last commit
12 hours ago

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:

Dropbox

Twake Drive

Secure open source file storage with end-to-end encryption

Stars
694
Forks
131
Last commit
18 hours ago

Open source encrypted data storage solution offering secure file sharing, collaboration tools, and on-premises deployment for professional teams.

Open Source Alternative to:

Google Drive

Firefiles

Your unified cloud storage solution

Stars
368
Forks
56
Last commit
6 months ago

Firefiles is an open-source alternative to Dropbox that lets you manage files across multiple cloud storage providers through a single interface.

Open Source Alternative to:

Google Drive

Open Source Cloud File Sync & Share Tools

A curated collection of the best open source services for synchronizing files across devices using cloud storage.

LocalSend

Puter

Spacedrive

Nextcloud

Seafile

PairDrop

OpenCloud

Palmr

Peergos

Sync-in

Cozy

Hoodik

Twake Drive

Firefiles

LocalSend

Puter

Spacedrive

Nextcloud

Seafile

PairDrop

OpenCloud

Palmr

Peergos

Sync-in

Cozy

Hoodik

Twake Drive

Firefiles