Audit and verify the security of file transfer tools
AlterSend is Apache-2.0 open-source licensed, allowing users to review the source code, audit the implementation, and run their own instances without relying on proprietary black-box systems

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AlterSend is Apache-2.0 open-source licensed, allowing users to review the source code, audit the implementation, and run their own instances without relying on proprietary black-box systems
AlterSend supports macOS, Windows, Linux, iOS, and Android with a unified protocol, enabling seamless file transfers between desktop and mobile devices regardless of platform
AlterSend enables direct peer-to-peer file transfer with AES-256 encryption, allowing users to send files of any size without touching external servers, eliminating privacy concerns about data stored on third-party infrastructure
AlterSend requires no account signup or authentication; users pair devices with a 6-character code or QR scan and immediately begin transferring files, reducing friction from traditional file-sharing workflows