Description: Signal is a free, open source, encrypted messaging and voice calling app. It offers end-to-end encryption for secure communication. With Signal, users can send encrypted messages, make voice and video calls, and share media with individuals or groups.
Type: software
Pricing: Free
Description: ThingSpeak is an open-source Internet of Things (IoT) application and API to store and retrieve data from things using HTTP over the Internet or via a Local Area Network. It allows users to aggregate, visualize, and analyze live data streams in the cloud.
Type: software
Pricing: Open Source