Dropbox hasn't been involved with Zulip since 2016. Previous discussion here: https://news.ycombinator.com/item?id=23864140 https://news.ycombinator.com/item?id

Dropbox hasn't been involved with Zulip since 2016. Previous discussion here: https://news.ycombinator.com/item?id=23864140 https://news.ycombinator.com/item?id=23864140 They acquired the original Zulip startup in 2014. Then they open-sourced the code, and Zulip since 2016 is backed by a new company which is the one tabbott is describing above.