Altersend

A free, open-source, end-to-end encrypted file transfer tool that sends files directly between devices or to anyone via a link, without cloud storage, accounts, or size limits. It targets individuals and teams who need private, large-file transfers across platforms, including IT, security, and general users. Unlike cloud-based services, it uses peer-to-peer connections over the internet or local Wi-Fi, ensuring files never touch a server.

Key features

• End-to-end encrypted transfers
• No cloud storage or accounts
• Unlimited file size
• Send folders and text notes
• Resumable transfers
• Cross-platform support
• Pair devices with QR code
• Share via link without app