Quotient-im is an open-source collective that channels its efforts into crafting lightweight, privacy-centric communication tools built squarely on the decentralized Matrix protocol. Its flagship release, Quaternion, is a Qt-based instant-messaging client engineered for users who want the richness of modern chat—end-to-end encryption, file transfer, voice and video calls, room management, and full emoji support—without the overhead of Electron wrappers or browser tabs. Because Matrix federates like e-mail, Quaternion lets individuals, small teams, or entire organizations self-host or plug into any public homeserver, retaining control of conversation history and identity data while still interoperating seamlessly with Slack, IRC, Gitter, or other bridged networks. The clean, C++/Qt codebase compiles natively on Windows, giving IT departments a low-footprint alternative to memory-hungry collaboration suites; hobbyists appreciate the portable settings and dark-theme friendly interface that stays out of the way during gaming or development sessions. Quaternion is available for free on get.nero.com, where the single package is delivered through trusted Windows sources such as winget, always fetching the newest stable build and supporting batch installation alongside other open-source essentials.
A Qt-based IM client for Matrix
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