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 1725 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
Zoho Mail Zoho Mail is a webmail service built with the needs of a modern business in mind. It provides features for business users to communicate effectively while catering to... Freemium Web Android iPhone Custom domain Integrated Spam Protection Mail filtering Two factor authentication Add a feature 71 Like
Claws Mail Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response Graceful, and sophisticated interface Easy configuration... Free Open Source Windows Linux BSD Xfce Lightweight Built-in RSS reader Content Filtering Customizable ... Extensible by Plugins/Extensions Support for IMAP Multiple languages Multiple Account support Add a feature 75 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reader Integrated Spam Protection Message Filtering Portable Add a feature 95 Like Discontinued Opera Mail seems to be no longer updated, but you can still download it from: http://www.opera.com/computer/mail
Airmail Airmail is a lightweight and lightning fast mail client for Mac. Feature list: Accounts: - Unified Inbox and folders - Multi Account with editable html... Commercial Mac OS X iPhone iPad Apple Watch Customizable Dropbox integration Fullscreen support Lightweight ... Multiple Account support Add a feature 55 Like
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
Mailspring Boost your productivity and send better email with Mailspring, a beautiful, fast email client for Mac, Windows, and Linux. Mailspring is free to use and an optional pro... Freemium $ $ $ Open Source Mac OS X Windows Linux Arch Linux Fedora ... Ubuntu Dark theme Email tracking Multiple Account support Sync Contacts ... Conversation view Customizable Drag n drop Email Analytics Email tracking & analytics Extensible by Plugins/Extensions Support for IMAP Support for Themes Unified inbox Add a feature 21 Like
Canary Mail Canary is an exciting new email client for Mac that offers a full set of powerful features with one key difference - your emails are not stored on a 3rd party server. ... Commercial Mac OS X iPhone No features added Add a feature 9 Like
Icedove Icedove is the Thunderbird email client rebranded by Debian . Free Open Source Linux Xfce Built-in RSS reader Extensible by Plugins/Extensions Integrated Chat Export to OPML ... Import feeds from OPML Tabbed interface Add a feature 21 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
BlueMail BlueMail is a modern, mobile first, powerful Email management tool with a sleek design, unified inbox and support for all your accounts: IMAP,Exchange,POP3. Free Personal Android iPhone Android Tablet iPad Apple Watch Ad-free Support for IMAP POP3 Support Unified inbox Add a feature 6 Like