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Signal is an instant messaging service that allows voice and video calls, as well as sending text messages, voice notes, images, and files. Its centralized architecture and cross-platform compatibility facilitate one-on-one or group communication, ensuring user privacy. Developed by the Signal Foundation, the app uses phone numbers to manage accounts and offers the option of usernames for added privacy. With end-to-end encryption, Signal ensures all communications are secure and allows users to verify the identity of their contacts.
Signal is an instant messaging tool that allows you to send text messages, voice notes, images, videos, and other files, as well as make voice and video calls. It uses end-to-end encryption to secure communication and is compatible with Android, iOS, Windows, macOS, and Linux devices.
Signal uses open standards and is released under the AGPL-3.0-only license, which guarantees that its software is free and open source. This includes its mobile clients, desktop clients, and server, allowing users to verify and modify the code according to their needs.
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