If you are looking for a secure chat app that offers end-to-end encryption, data sovereignty, and interoperability, you might want to check out Element.
Element is a Matrix-based messenger and collaboration app that lets you communicate with anyone on the open Matrix network.
You can self-host your own server or use a fully-managed cloud service for your team or organization. Element also supports voice and video chat, widgets, integrations, and webhooks to enhance your productivity and workflow.
