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+### Rocket.Chat
+* Website : https://rocket.chat/
+* Dockerfile : Yes
+* Android app : [Yes](https://play.google.com/store/apps/details?id=chat.rocket.android)
+* iOS app : [Yes](https://itunes.apple.com/app/rocket-chat/id1148741252)
+* Language : Python (Backend), NodeJS (Frontend)