we use Github issues + Zenhub for that (though Github has recently implemented a lot of Zenhub's features). Managers mainly use the 'boards' and 'milestones' vi

we use Github issues + Zenhub for that (though Github has recently implemented a lot of Zenhub's features). Managers mainly use the 'boards' and 'milestones' views; devs use 'boards' and whatever else. Messages are included in emails and you can reply by email.