ALTO Mail has been discontinued. Similar apps include Thunderbird, which is free and open source. Other options are K-9 Mail, Microsoft Outlook, Evolution and Spark Mail. Email Clients like ALTO Mail are a crowded field, with more than 25 alternatives for Mac, Windows, Linux, Android and iPhone.
Mutt is a small but very powerful text-based mail client for Unix operating systems. Some of its features are: color support, message threading, MIME support (including RFC2047 support for encoded headers), PGP/MIME (RFC2015), various features to support mailing lists, including...
United States
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.
United States
Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).
Japan
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 notifications while enabling personalization across multiple email accounts.
United States
Engineered for iOS, macOS, and watchOS, this fast mail client supports multiple account types, custom actions, Smart Inbox filtering, unified inbox, privacy mode, email scheduling, snooze, third-party app integration, flexible personalization, and advanced workflow tools.
Italy
EU
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 KDE. It supports calendars, contacts, notes, to-do lists, news, and email.
GermanyEU
The Bat! is a secure email client software, built to protect your correspondence against third-parties.
Moldova
Mac IMAP email client featuring keyboard control, Markdown email composition, advanced search capabilities, smart mailboxes, automatic signature handling, cryptographic options with OpenPGP/S-MIME, tagging, multiple notifications, and customizable layouts including widescreen.
myMail is the smart email app for managing all your accounts on iOS and Android.
Russia
Unibox is a people centric email client that organizes your messages by person. It avoids having email like a to-do list.
GermanyEU
Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.
The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.
United States
