Brazil-based Rocket.Chat, an open source enterprise messaging service that claims to have 8M MAUs and 16M users total across 150 countries, raises $19M Series A Ingrid Lunden / TechCrunch : TechCrunch 2021-02-04 Ingrid Lunden 16M, Rocket, TechCrunch, Brazil Related Coverage View article Crunchbase News Rocket.Chat raises $19 million in Series A funding confirming privacy-first communication as a major trend in 2021 Rocket.Chat