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Amazon FreeRTOS is an IoT microcontroller operating system based on the FreeRTOS kernel.
An open-source embedded operating system designed for IoT devices.
Zephyr is a scalable real-time operating system (RTOS) optimized for resource-constrained devices in the Internet of Things (IoT). It is secure, modular,...
Riot is a decentralized secure messaging application that uses the Matrix protocol.
Signal is a secure and private messaging app known for its end-to-end encryption and focus on user privacy.
Telegram is a cloud-based instant messaging app with a focus on speed and security.
Secure messaging, voice, and video calls with end-to-end encryption.
Free tier available, paid plans starting at $4.99/month
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