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I'm looking for the best instant messaging solution that also works well as enterprise collaboration software with white-label capabilities. Ideally, it should let teams chat instantly, share files, and make voice or video calls across devices. Apps like WhatsApp, Signal, Telegram, MirrorFly, and Apphitect seem popular, but I’m curious about their reliability and feature set for professional teams. Has anyone tried these in a work environment, or have recommendations? For reference, I found a list of enterprise collaboration software
that summarizes some options, but I’d love to hear real-world experiences