Zimbra Desktop is an offline client that lets you manage various email accounts in one desktop tool. Zimbra mail, Yahoo! mail, Gmail, Outlook and any other work or personal email account using

Zoho Connect is a team collaboration software that helps teams ideate, discuss, and work together, from any place, on any device.

Zoom is the leader in modern enterprise video communications, with an easy, reliable cloud platform for video and audio conferencing, chat, and webinars across mobile, desktop, and room systems.

For those who are familiar with Slack, Zulip provides something similar except ensures productivity while emphasizing communication with your teammates. Too often, workers are bogged down