AltSendme is a minimal cross-platform desktop application for sending files and directories peer-to-peer anywhere in the world. It is built around the Iroh networking stack and uses open public connection relays for NAT traversal and hole punching. Transfers use strong end-to-end encryption (TLS 1.3 over QUIC), with support for large files, folders, pause and resume, and verified streaming.

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Tue, 19 May 2026 12:00:05 UTC

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