PsiTransfer

PsiTransfer is a lightweight open-source server for self-hosted file sharing. It provides a minimal, mobile-friendly web UI and a small REST-like backend to upload, store and share files without accounts or logins.

Key Features

• No accounts or logins required; simple share-by-link workflow
• Resumable uploads (uses the tus upload approach) and streaming support for very large files
• Configurable retention/expiry per upload bucket and one-time-download option
• Download-all as ZIP or tar.gz archives generated on demand
• Password-protected download lists (AES-based protection for lists) and optional admin page for bucket info
• Minimal Vue.js frontend (small gzipped assets) and Pug templates for simple customization
• Docker image available for quick deployment; can also be run via npm/Node.js

Use Cases

• Share very large media files (video, datasets) with clients or collaborators without third-party cloud storage
• Temporary file exchange / dropbox-style ephemeral links for contractors, clients or teams
• Lightweight public upload portal for collecting files with automatic expiry and optional password protection

Limitations and Considerations

• End-to-end payload encryption is not implemented; files are stored unencrypted on the server unless you add external encryption wrappers
• "Download all as ZIP" does not support resuming downloads
• The project has had security advisories in the past (e.g., path-traversal / unrestricted upload issues) that were addressed in later releases; administrators should run up-to-date releases and follow secure deployment practices

PsiTransfer is suitable when you need a simple, self-hostable, resumable file-transfer endpoint without the overhead of full collaboration suites. It is focused on simplicity and large-file handling rather than advanced access controls or built-in end-to-end encryption.