Sr. Implementation Services Engineer @HashiCorp - Board Mbr @TheHackerFund - Formerly @Amazon, @Microsoft, @Lyft, and @Blizzard_Ent - Tweets are solely my views
I have tried so many, but keep going back to Todoist. I like the cross-platform compatibility and gmail integrations a lot.
It can get expensive real fast as you scale it to your entire company.
It's really flexible and can be used for so many different things (project management, issue tracking, workflows, etc...)