elm.chat is both a secure chat application and an open engineering resource demonstrating capability-based security design. It separates concerns such as room location, one-time admission, decryption keys, and administrative rights to create safer single-use invite links. The architecture supports at-most-once consumption, revocation, and secure reconnects while allowing self-hosting.
Single-use invite links is a Frameworks & SDKs project. It focuses on creating secure, revocable, single-use invite links for encrypted chat rooms without exposing permanent URLs or decryption keys. Single-use invite links is an open-source project aimed at developers building secure communication tools. The project is open source (AGPL-3.0). It ships for the web, and it can be self-hosted.
It is developed by Shawn Bure, and it first shipped in 2026. The project is developed in the open on GitHub with 101 commits in the last 90 days. Among its 4 catalogued features are End-to-End Encryption, Single-Use Invites, and Capability-Based Security.
Summary written by a language model from the project’s public pages.
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