Basecamp offers Free Trial, but Zulip does not.
Basecamp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Zulip is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Basecamp Starts at $15/user/month when monthly whereas for Zulip Starts at $6.67/User/Month.
Some top alternatives to Basecamp includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Trello, Wrike, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Quick Base, Project.co and Notion.
Some top alternatives to Zulip includes mi.team, Slack, Glip, Google Chat, Dialog, Office Chat, mais.im, Brosix, Teamwork Chat and Discourse.