Newton 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 Newton Mail are a crowded field, with more than 25 alternatives for Windows, Mac, iPhone, Linux and Android.
Shift consolidates web applications into one platform, simplifying access to Google and Microsoft accounts. It declutters tabs, supports email management for Gmail and Outlook 365, integrates with extensions like Grammarly, LastPass, and more, while providing custom notifications and quiet hours.
Canada
Productivity browser featuring unified webmail, website, and web app management, isolated multi-account support, vertical sidebar with grouping, memory-saving tab sleeping, app-to-app linking, built-in chat and screenshare, collaboration workspaces, and strong security.
United Kingdom
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
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
Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).
Japan
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.
The Bat! is a secure email client software, built to protect your correspondence against third-parties.
Moldova
The most powerful platform for email productivity in a beautiful native app — on desktop and mobile.
United States
Mail is designed to let you manage your email quickly and effortlessly. Its interface is based on conversations, so you can read an entire discussion without having to click from message to message.
United States
myMail is the smart email app for managing all your accounts on iOS and Android.
Russia
AquaMail is an email app for Internet and Exchange mail, for Android 4.0.3 and higher.
BulgariaEU
Germany
