Thunderbird Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox. Free Open Source Mac Windows Linux BSD PortableApps.com ... Haiku Extensible by Plugins/Extensions Built-in RSS reader Calendar integration Customizable ... Extensible by Plugins/Extensions Free API Import from Google Reader Integrated Chat Integrated Web Browser Multiple Account support Export to OPML Import feeds from OPML POP3 Support Portable Tabbed interface Add a feature 1724 Like
Microsoft Office Outlook Part of the Microsoft Office Suite, Outlook is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks. Commercial Mac OS X Windows Web Android iPhone ... Android Tablet Windows Phone iPad Apple Watch Android Wear Built-in Calendar Dark theme Signature with image Add a feature 306 Like
Spark E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more. Free Mac iPhone iPad Apple Watch Calendar integration Cloud sync Export to PDF Add a feature 54 Like
Opera Mail Opera Mail powerfully organizes, indexes, and sorts your messages. It has spam filtering (both automated and Bayesian), supports POP3 and IMAP, newsgroups as well as... Free Mac OS X Windows PortableApps.com Built-in RSS reader Integrated Spam Protection Message Filtering Portable Add a feature 95 Like Discontinued Opera Mail seems to be no longer updated, but you can still download it from: http://www.opera.com/computer/mail
Newton Mail Newton is a fully featured mail client available for Android, iOS, macOS and Windows. Works for watch too. It's based on cloud so you can connect it to any account... Commercial Mac OS X Windows Android iPhone Windows RT ... Android Tablet iPad Apple Watch Android Wear Sync between devices Combined email cloud syncing Conversation view Focused Inbox ... Multiple languages Real-time pushing Salesforce integration Add a feature 38 Like
Polymail The most powerful platform for email productivity in a beautiful native app — on desktop and mobile. Freemium Mac OS X iPhone iPad Sync Contacts Email scheduling Email tracking Multiple Account support Add a feature 20 Like
Unibox Unibox is a people centric email client that organizes your messages by person. It avoids having email like a to-do list. Features: - Unibox supports IMAP servers:... Commercial Mac OS X Multiple Account support Add a feature 13 Like
TypeApp TypeApp is an all-free, beautifully designed, universal email app, capable of managing unlimited number of mail accounts from various providers, allowing for smart push... Free Personal Android iPhone Android Tablet iPad Android Wear ... Kindle Fire Live Push Notifications Multiple Account support Unified inbox Add a feature 18 Like
Astro Modern email and calendar apps for Mac, iOS, Android, Slack and Alexa, powered by Artificial Intelligence. Astro keeps you focused on what's most important. Free Mac Android iPhone iPad Slack ... Amazon Echo (Alexa Voice Service) Calendar integration Email tracking Google Calendar integration Multiple Account support ... Snooze reliability Add a feature 20 Like
Aqua Mail AquaMail is an email app for Internet and Exchange mail, for Android 4.0.3 and higher. Easy automatic setup for popular email services: Gmail, Yahoo, Hotmail... Freemium Android Android Tablet Customizable Dark theme Add a feature 10 Like
Hiri Fast, good looking email client. Lighter than MS Outlook with some unique and clever features. Works ONLY with Outlook / Exchange. Commercial $ $ $ Mac OS X Windows Linux Calendar integration Convert Email to Task Add a feature 12 Like
SlideMail Making email better through artificial intelligence. Free iPhone Multiple Account support Add a feature 5 Like
myMail myMail is the smart email app for managing all your accounts on iOS and Android. Use myMail to manage messages in your Gmail, Hotmail, Live, Outlook, Yahoo, MSN... Free Android iPhone Android Tablet iPad Apple Watch Support for IMAP Mail filtering POP3 Support Add a feature 6 Like
EmailTray EmailTray is a smart email client and an email notifier for POP3 and IMAP email accounts, including Gmail, Hotmail, Yahoo mail and AOL. EmailTray intelligently ranks... Free Windows Android Support for IMAP POP3 Support Add a feature 3 Like
eMail Widget Now Manage Your Emails DIRECTLY in Notification Center. Archive or Star an email, Mark an email as Read, Report Spam and Delete emails all with a single tap. Commercial iPhone iPad No features added Add a feature 1 Like
