A few interesting ways to use the encrypted messaging app Signal. "Using Signal groups for activism" by Micah Lee (16 Jun 2025): how to "turn an in-person meeting into a Signal group using QR codes", "manage large semi-public groups while still vetting new members", and "make announcement-only groups" ideal for rapid-response volunteer networks. "A Signal messenger API on your tailnet with Docker Compose" by Parker Higgins (23 April 2025): a setup for sending Signal messages using the command line, following up his "Messaging Signal groups based on Puzzmo webhooks (using Tailscale Funnel)". (Disclaimer: Parker's a friend.)
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