Mailbird Alternatives [Page 2]

Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.

freemium $1.0 / Monthly (per user)

multi-channel inbox service for collaborative teams

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Try for free paid Free Trial $4.99 / Monthly (User)

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

freemium

Privacy-aware email app for Mac & iOS

Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response

Inky is a software program that roots our phishing emails to better your cybersecurity.

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

freemium

Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

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.

BlueMail is an email management app for Android, iOS, and Windows.

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

The Bat! is a secure desktop email client for Windows, designed to protect your correspondence against third-parties and to save your time.

Web-based IMAP email client

Open Source