There is a 3rd alternative...
Atolia, the one and only workspace your team needs
Atolia is a power-packed all-in-one digital workplace: Chat, Video calls, Tasks & Projects, Calendars, Documents, Notes...
Accelerate your team's collaboration game.
Implement it in minutes and save money. Atolia is cheaper than most of the business instant messaging apps.
Why choose Basecamp or Zulip?
In terms of pricing, Basecamp's entry level price is $15/month/user while Zulip's is lower at $6.67/user/month. Basecamp offers a 30-day free trial while Zulip does not, but Zulip does have a free version available while Basecamp does not. Both platforms offer a range of features including chat, file sharing, and user profile management, but Zulip stands out with its video call capabilities, screen sharing, and whiteboarding while Basecamp offers graphic personalization and roles management.