1655 Like Thunderbird Good alternative? YES NO 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 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 Tabbed interface Add a feature
288 Like Microsoft Office Outlook Alternative? YES NO 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 Windows Web Android iPhone Android Tablet Windows Phone iPad ... Apple Watch Android Wear Built-in Calendar Signature with image Add a feature
260 Like Mailbird Good alternative? YES NO Mailbird is more than just another email client - It's an all-in-one communication platform for email, contacts, calendar, apps, task management, video meetings and... Freemium Windows Conversation view Fast & easy setup GSuite Integration Multiple Account support Unified inbox Add a feature
55 Like EssentialPIM Good alternative? YES NO EssentialPIM lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications. PIM stands for... Freemium Windows Android iPhone No features added Add a feature
24 Like Open365 Good alternative? YES NO The open source cloud with LibreOffice online - LibreOffice online + Seafile + KDE. Improve your productivity and communicate better with your team members. The world is... Free Open Source Android Self-Hosted Cloud sync Add a feature Discontinued The project seems to be no longer developed. Last commit on the GitHub repo was made on June 27th, 2016, but it can be still downloaded and installed.
47 Like The Bat Good alternative? YES NO The Bat! is a secure email client software, built to protect your correspondence against third-parties. . Commercial Windows Built-in RSS reader Support for IMAP POP3 Support Add a feature
21 Like Icedove Good alternative? YES NO 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
14 Like Microsoft Mail and Calendar Alternative? YES NO Windows 10 has Mail and Calendar apps already built in. With the Mail application you can now easily see all message from your... Free Windows Windows RT Bundled with Windows Add a feature
17 Like ALTO Mail Good alternative? YES NO Alto Mail makes managing your email easy again. Add all your mail accounts to our app (including Gmail, Outlook, Yahoo!, AOL Mail, iCloud, Hotmail and others) and see... Free Web Android iPhone Android Tablet iPad Support for IMAP Add a feature
14 Like Foxmail Good alternative? YES NO Foxmail is a free POP3 and IMAP4 e-mail client in English and Chinese for Windows systems. Free Windows Mouse gestures POP3 Support Add a feature
15 Like iRedMail Good alternative? YES NO A fully fledged, free email server solution, an open source project (GPL v2). Use official binary packages from Linux/BSD distributions, with both i386 and x86_64... Free Open Source Linux BSD Self-Hosted No features added Add a feature
23 Like Kontact - KMail Good alternative? YES NO KMail is the email component of Kontact, the integrated personal information manager of KDE. Kontact is a personal information manager and groupware software suite for... Free Open Source Mac Windows Linux BSD No features added Add a feature
7 Like Becky! Internet Mail Good alternative? YES NO Becky! Internet Mail is an email client for Windows OS. Becky! Internet Mail supports POP3, IMAP and S/MIME as well as PGP/PGP via add-ons. Commercial Windows POP3 Support Add a feature
21 Like Email.biz Good alternative? YES NO Indian Webmail service allowing people to sign up for an @email.biz mail account. Cloud based Login and Multiple Login System give you safe and secure access to your... Free Web No features added Add a feature
12 Like Hiri Good alternative? YES NO Fast, good looking email client. Lighter than MS Outlook with some unique and clever features. Works ONLY with Outlook / Exchange. Free Personal Mac Windows Linux Calendar integration Email categorization and prioritization Convert Email to Task Add a feature
