Chaos intellect Alternatives

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Warm up your cold email inbox, and never land in spam anymore!

Try for free freemium $9.0 / Monthly

Mailbird is the best email client for Windows 7, 8 and 10

multi-channel inbox service for collaborative teams

eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.

freemium

Spike solves businesses' communication chaos by bringing together email, team chat, collaborative docs, and meetings, into one feed.

freemium

Shift is the ultimate email client for managing Mail, Calendar, Drive, Slack, Asana, Jira, Evernote, and all your other favourite apps

freemium

Airmail is a lightweight and lightning fast mail client for Mac.

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 POP or IMAP is easy to set up in Zimbra Desktop.

Amazon WorkMail is a secure, managed business email and calendar service.

K-9 is an opensource email client making it easy to chew through large volumes of email.

Mailspring is a mail client for Mac, Windows and Linux.

Open Source

With BlackBerry Work, mobile users can securely access enterprise email, calendar, contacts, and apps for work.