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Best Free & Open Source Alternatives to WeTransfer

Compare 3 open-source WeTransfer alternatives including SafeBucket, Pingvin Share X and BluFiles

If you're looking for the best open-source alternative to WeTransfer, SafeBucket is a strong place to start. If it doesn't quite fit your needs, there are plenty of other great options worth exploring, including Pingvin Share X and BluFiles. We've ranked the top alternatives to help you compare your options and find the right fit.

#1 SafeBucket

SafeBucket

Self-hosted file sharing platform with direct S3 uploads, SSO, and role-based access control.

SafeBucket is an open-source, self-hosted file sharing platform designed for teams that want full control over their data. Unlike traditional cloud storage solutions, SafeBucket ensures that files never touch your server — uploads and downloads go directly to your S3-compatible storage backend via presigned URLs, while the API handles only metadata, access control, and audit logging.

The platform is built with a security-first, SSO-first mindset. It integrates with any OIDC identity provider for authentication, supports multifactor authentication via TOTP, and enforces role-based access control at both the platform and bucket level. Every sharing action is scoped to buckets with explicit membership rules, and all activity is tracked in real-time audit logs.

SafeBucket's modular architecture allows you to swap out every infrastructure component. Use AWS S3 or self-hosted MinIO for storage, PostgreSQL or SQLite for the database, and NATS or SQS for event handling. It ships with Docker Compose templates for quick local deployment and is actively maintained with signed container images.

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#2 Pingvin Share X

Pingvin Share X

Secure and easy self-hosted file sharing platform.

Pingvin Share X is a self-hosted file sharing platform forked from Pingvin Share, offering a secure and user-friendly way to share files temporarily. Built with TypeScript and designed for easy Docker deployment, it provides an open-source alternative to commercial services like WeTransfer and Dropbox. Users can upload files and share links with optional expiration, making it ideal for privacy-conscious individuals and teams who prefer to keep their data on their own infrastructure.

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#3 BluFiles

BluFiles

Self-hosted file sharing and management platform with file transfers, pastes, collections, and a REST API.

BluFiles is a self-hosted file management and sharing platform with a modern web interface and REST API. It supports file sharing with link-based access, text pastes with syntax highlighting, and collections for organizing and sharing grouped items.

The platform includes a web-based admin panel for managing users and storage quotas, making it easy to run as a private or small-team file sharing service. It also supports ShareX integration for quick uploads directly from the desktop.

Deployed via Docker Compose with PostgreSQL, BluFiles is straightforward to self-host and serves as a privacy-respecting alternative to WeTransfer and similar services.

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Frequently Asked Questions

Are there any open source alternatives to WeTransfer?

Yes, there are 3 open source alternatives to WeTransfer. Popular options include SafeBucket, Pingvin Share X, BluFiles. These alternatives are free to use and many offer self-hosting options.

What is the best free alternative to WeTransfer?

The best free alternative to WeTransfer depends on your specific needs. SafeBucket is a popular choice with self-hosting capabilities. All alternatives listed here are open source and free to use.

Can I self-host an alternative to WeTransfer?

Yes, 3 of the alternatives listed here can be self-hosted, giving you complete control over your data and privacy.

Why should I switch from WeTransfer to an open source alternative?

Open source alternatives to WeTransfer offer several advantages: no vendor lock-in, complete data ownership, no subscription fees, the ability to self-host for privacy and security, and active community support. You can also customize the software to fit your specific needs.

WeTransfer

WeTransfer

WeTransfer is a popular file transfer service that lets you send large files up to 2GB for free. Files are hosted temporarily and can be shared via a link.

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